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Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-bypass-rLggKzVF?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallThreatDefenseSoftwareSnortDeepInspectionBypassVulnerability&vs_k=1

A vulnerability in the Snort 2 and Snort 3 deep packet inspection of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured Snort rules and allow traffic onto the network that should have been dropped.
This vulnerability is due to a logic error in the integration of the Snort Engine rules with Cisco Secure FTD Software that could allow different Snort rules to be hit when deep inspection of the packet is performed for the inner and outer connections. An attacker could exploit this vulnerability by sending crafted traffic to a targeted device that would hit configured Snort rules. A successful exploit could allow the attacker to send traffic to a network where it should have been denied.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-bypass-rLggKzVF
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20007

263

Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Threat Defense Software TLS with Snort 3 Detection Engine Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tcp-dos-rHfqnwRg?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallThreatDefenseSoftwareTLSwithSnort3DetectionEngineDenialofServiceVulnerability&vs_k=1

A vulnerability in the TLS cryptography functionality of the Snort 3 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to unexpectedly restart, resulting in a denial of service (DoS) condition.
This vulnerability is due to improper implementation of the TLS protocol. An attacker could exploit this vulnerability by sending a crafted TLS packet to an affected system. A successful exploit could allow the attacker to cause a device that is running Cisco Secure FTD Software to drop network traffic, resulting in a DoS condition.
Note: TLS 1.3 is not affected by this vulnerability.

Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-tcp-dos-rHfqnwRg
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20006

Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Adaptive Security Appliance Software TCP Flood Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-FCvLD6vR?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceSoftwareTCPFloodDenialofServiceVulnerability&vs_k=1

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly.
This vulnerability is due to improper handling of new, incoming TCP connections that are destined to management or data interfaces when the device is under a TCP SYN flood attack. An attacker could exploit this vulnerability by sending a crafted stream of traffic to an affected device. A successful exploit could allow the attacker to prevent all incoming TCP connections to the device from being established, including remote management access, Remote Access VPN (RAVPN) connections, and all network protocols that are TCP-based. This results in a denial of service (DoS) condition for affected features.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-FCvLD6vR
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: High


CVE: CVE-2026-20082

Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Server Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-SpOFF2Re?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceandSecureFirewallThreatDefenseSoftwareVPNWebServerDenialofServiceVulnerability&vs_k=1

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to ineffective memory management of the VPN web server. An attacker could exploit this vulnerability by sending a large number of crafted HTTP requests to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-SpOFF2Re

This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: High

CVE: CVE-2026-20039

Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Adaptive Security Appliance Software Multiple Context Mode SCP Unauthorized File Access Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-scpcxt-filecpy-rgeP73nE?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceSoftwareMultipleContextModeSCPUnauthorizedFileAccessVulnerability&vs_k=1

A vulnerability in the CLI of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software in multiple context mode could allow an authenticated, local attacker with administrative privileges in one context to copy files to or from another context, including configuration files.

This vulnerability is due to improper access controls for Secure Copy Protocol (SCP) operations when the Cisco SSH stack is enabled. An attacker could exploit this vulnerability by authenticating to a non-admin context of the device and issuing crafted SCP copy commands in that non-admin context. A successful exploit could allow the attacker to read, create, or overwrite sensitive files that belong to another context, including the admin and system contexts. The attacker cannot directly impact the availability of services that pertain to other contexts. To exploit this vulnerability, the attacker must have valid administrative credentials for a non-admin context.

Note: An attacker cannot list or enumerate files from another context and would need to know the exact file path, which increases the complexity of a successful attack.

This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-scpcxt-filecpy-rgeP73nE
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: High

CVE: CVE-2026-20062

Сisсо Сhаnnеl

11 Mar 2026 04:20

Multiple Cisco Products Snort 3 Visual Basic for Applications Denial of Service Vulnerabilities
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=MultipleCiscoProductsSnort3VisualBasicforApplicationsDenialofServiceVulnerabilities&vs_k=1

Multiple Cisco products are affected by vulnerabilities in the Snort 3 Visual Basic for Applications (VBA) Decompression Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to unexpectedly restart, resulting in a denial of service (DoS) condition.
For more information about these vulnerabilities, see the Details ( https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=MultipleCiscoProductsSnort3VisualBasicforApplicationsDenialofServiceVulnerabilities&vs_k=1#details) section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20053,CVE-2026-20054,CVE-2026-20057,CVE-2026-20058

Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IPsec Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-esp-dos-uv7yD8P5?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceandSecureFirewallThreatDefenseSoftwareIPsecDenialofServiceVulnerability&vs_k=1

A vulnerability in the processing of Galois/Counter Mode (GCM)-encrypted Internet Key Exchange version 2 (IKEv2) IPsec traffic of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to the allocation of an insufficiently sized block of memory. An attacker could exploit this vulnerability by sending crafted GCM-encrypted IPsec traffic to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a DoS condition. To exploit this vulnerability, the attacker must have valid credentials to establish a VPN connection with the affected device.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-esp-dos-uv7yD8P5
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).


Security Impact Rating: High


CVE: CVE-2026-20049

Сisсо Сhаnnеl

11 Mar 2026 04:20

Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-multi-dos-XFWkWSwz?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=MultipleCiscoProductsSnort3DenialofServiceVulnerabilities&vs_k=1

Multiple Cisco products are affected by vulnerabilities in the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart, resulting in an interruption of packet inspection.
For more information about these vulnerabilities, see the Details ( https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-multi-dos-XFWkWSwz?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=MultipleCiscoProductsSnort3DenialofServiceVulnerabilities&vs_k=1#details) section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-multi-dos-XFWkWSwz
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20005,CVE-2026-20065,CVE-2026-20066,CVE-2026-20067,CVE-2026-20068

Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Authenticated Command Injection Vulnerabilities
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceandSecureFirewallThreatDefenseSoftwareAuthenticatedCommandInjectionVulnerabilities&vs_k=1

Multiple vulnerabilities in the CLI feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause a device to execute commands with elevated privileges or reload unexpectedly, resulting in a denial of service (DoS) condition.
For more information about these vulnerabilities, see the Details ( https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceandSecureFirewallThreatDefenseSoftwareAuthenticatedCommandInjectionVulnerabilities&vs_k=1#details) section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf

This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).


Security Impact Rating: Medium


CVE: CVE-2026-20016,CVE-2026-20017,CVE-2026-20063,CVE-2026-20064

Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Threat Defense Software SSL Decryption Policy Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-dnd-dos-bpEcg7B7?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallThreatDefenseSoftwareSSLDecryptionPolicyDenialofServiceVulnerability&vs_k=1

A vulnerability in the Do Not Decrypt exclusion feature of the SSL decryption feature of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper memory management during the inspection of TLS 1.2 encrypted traffic. An attacker could exploit this vulnerability by sending crafted TLS 1.2 encrypted traffic through an affected device. A successful exploit could allow the attacker to cause a reload of an affected device.
Note: This vulnerability only affects traffic that is encrypted by TLS 1.2. Other versions of TLS are not affected.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-dnd-dos-bpEcg7B7
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20050

Сisсо Сhаnnеl

9 Mar 2026 23:52

Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software Path Traversal Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdfmc-dir-trav-wERgjhWq?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallManagementCenterandSecureFirewallThreatDefenseSoftwarePathTraversalVulnerability&vs_k=1

A vulnerability in the sftunnel functionality of Cisco Secure Firewall Management Center (FMC) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrative privileges to write arbitrary files as root on the underlying operating system.
This vulnerability is due to insufficient validation of the directory path during file synchronization. An attacker could exploit this vulnerability by crafting a directory path outside of the expected file location. A successful exploit could allow the attacker to create or replace any file on the underlying operating system.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftdfmc-dir-trav-wERgjhWq
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20018

Сisсо Сhаnnеl

8 Mar 2026 11:19

Cisco Secure Firewall Threat Defense Software Snort 3 SSL Memory Management Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3ssl-FBEKYXpH?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallThreatDefenseSoftwareSnort3SSLMemoryManagementDenialofServiceVulnerability&vs_k=1

A vulnerability in the memory management handling for the Snort 3 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart.
This vulnerability is due to a logic error in memory management when a device is performing Snort 3 SSL packet inspection. An attacker could exploit this vulnerability by sending crafted SSL packets through an established connection to be parsed by the Snort 3 Detection Engine. A successful exploit could allow the attacker to cause a denial of service (DoS) condition when the Snort 3 Detection Engine unexpectedly restarts.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3ssl-FBEKYXpH
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20052

Сisсо Сhаnnеl

8 Mar 2026 11:19

Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-rce-NKhnULJh?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallManagementCenterSoftwareRemoteCodeExecutionVulnerability&vs_k=1

A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unauthenticated, remote attacker to execute arbitrary Java code as root on an affected device.
This vulnerability is due to insecure deserialization of a user-supplied Java byte stream. An attacker could exploit this vulnerability by sending a crafted serialized Java object to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary code on the device and elevate privileges to root.
Note: If the FMC management interface does not have public internet access, the attack surface that is associated with this vulnerability is reduced.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-rce-NKhnULJh

This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).


Security Impact Rating: Critical


CVE: CVE-2026-20131

Сisсо Сhаnnеl

8 Mar 2026 11:19

Cisco Secure Firewall Management Center Software Command Injection Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-cmd-inject-S9ZM4EJf?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallManagementCenterSoftwareCommandInjectionVulnerability&vs_k=1

A vulnerability in the lockdown mechanism of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, local attacker to perform arbitrary commands as root.
This vulnerability is due to insufficient restrictions on remediation modules while in lockdown mode. An attacker could exploit this vulnerability by sending crafted input to the system CLI of the affected device. A successful exploit could allow the attacker to run arbitrary commands or code as root, even when the system is in lockdown mode. To exploit this vulnerability, the attacker must have valid administrative credentials.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-cmd-inject-S9ZM4EJf
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20044

Сisсо Сhаnnеl

8 Mar 2026 11:19

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerabilities
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2-dos-eBueGdEG?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceandSecureFirewallThreatDefenseSoftwareIKEv2DenialofServiceVulnerabilities&vs_k=1

Multiple vulnerabilities in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow a remote attacker to leak memory when parsing IKEv2 packets, triggering a denial of service (DoS) condition.
For more information about these vulnerabilities, see the Details ( https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2-dos-eBueGdEG?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceandSecureFirewallThreatDefenseSoftwareIKEv2DenialofServiceVulnerabilities&vs_k=1#details) section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2-dos-eBueGdEG

This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).


Security Impact Rating: High


CVE: CVE-2026-20013,CVE-2026-20014,CVE-2026-20015

Сisсо Сhаnnеl

8 Mar 2026 11:19

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-xss-uwjc4HR?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallAdaptiveSecurityApplianceandSecureFirewallThreatDefenseSoftwareVPNWebServicesCross-SiteScriptingVulnerability&vs_k=1

A vulnerability in the VPN web services component of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a browser that is accessing an affected device.
This vulnerability is due to improper validation of user-supplied input in HTTP requests. An attacker could exploit this vulnerability by persuading a user to follow a link to a malicious website that is designed to submit malicious input to the affected application. A successful exploit could allow the attacker to execute arbitrary HTML or script code in the browser in the context of the VPN web server.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-xss-uwjc4HR
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20070

Сisсо Сhаnnеl

4 Mar 2026 18:26

Cisco to Participate in March 2026 Events with the Financial Community
https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2026/m02/cisco-to-participate-in-march-2026-events-with-the-financial-community.html?source=rss

644

Сisсо Сhаnnеl

4 Mar 2026 18:26

📷 Photo

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Сisсо Сhаnnеl

4 Mar 2026 18:26

Cisco (NASDAQ: CSCO) will participate in the following events with the financial community in March.
More RSS Feeds: https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html ( https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html?source=rss)

686

Сisсо Сhаnnеl

4 Mar 2026 18:26

A Wi-Fi 7 network for higher, faster, future-proof learning
https://newsroom.cisco.com/c/r/newsroom/en/us/a/y2026/m02/a-wi-fi-7-network-for-higher-faster-future-proof-learning.html?source=rss

652

Сisсо Сhаnnеl

4 Mar 2026 18:26

📷 Photo

695

Сisсо Сhаnnеl

4 Mar 2026 18:26

Cisco positions Georgetown University for today’s — and tomorrow’s — education and research.
More RSS Feeds: https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html ( https://newsroom.cisco.com/c/r/newsroom/en/us/rss-feeds.html?source=rss)

756

Сisсо Сhаnnеl

4 Mar 2026 18:26

Cisco NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n3kn9k_aci_lldp_dos-NdgRrrA3?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoNX-OSSoftwareLinkLayerDiscoveryProtocolDenialofServiceVulnerability&vs_k=1

A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause the LLDP process to restart, which could cause an affected device to reload unexpectedly.
This vulnerability is due to improper handling of specific fields in an LLDP frame. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface of an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Note: LLDP is a Layer 2 link protocol. To exploit this vulnerability, an attacker would need to be directly connected to an interface of an affected device, either physically or logically (for example, through a Layer 2 Tunnel configured to transport the LLDP protocol).

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-n3kn9k_aci_lldp_dos-NdgRrrA3

This advisory is part of the February 2026 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: February 2026 Semiannual Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75740).

Security Impact Rating: High

CVE: CVE-2026-20010

Сisсо Сhаnnеl

4 Mar 2026 18:26

Cisco Nexus 9000 Series Fabric Switches in ACI Mode Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cpdos-qLsv6pFD?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoNexus9000SeriesFabricSwitchesinACIModeDenialofServiceVulnerability&vs_k=1

A vulnerability in Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to insufficient validation when processing specific Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to the management interface of an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.
Note: Only the out-of-band (OOB) management interface is affected.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cpdos-qLsv6pFD
This advisory is part of the February 2026 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: February 2026 Semiannual Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75740).

Security Impact Rating: High


CVE: CVE-2026-20033

421

Сisсо Сhаnnеl

4 Mar 2026 18:26

Cisco Nexus 9000 Series Fabric Switches in ACI Mode SNMP Denial of Service Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dsnmp-cNN39Uh?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoNexus9000SeriesFabricSwitchesinACIModeSNMPDenialofServiceVulnerability&vs_k=1

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper processing when parsing SNMP requests. An attacker could exploit this vulnerability by continuously sending SNMP queries to a specific MIB of an affected device. A successful exploit could allow the attacker to cause a kernel panic on the device, resulting in a reload and a DoS condition.
Note: This vulnerability affects SNMP versions 1, 2c, and 3. To exploit this vulnerability through SNMPv1 or SNMPv2c, the attacker must have a valid read-only SNMP community string for the affected system. To exploit this vulnerability through SNMPv3, the attacker must have valid SNMP user credentials for the affected system.

Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-dsnmp-cNN39Uh

This advisory is part of the February 2026 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: February 2026 Semiannual Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75740).


Security Impact Rating: High


CVE: CVE-2026-20048

Сisсо Сhаnnеl

4 Mar 2026 18:26

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoCatalystSD-WANControllerAuthenticationBypassVulnerability&vs_k=1

A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system.
This vulnerability exists because the peering authentication mechanism in an affected system is not working properly. An attacker could exploit this vulnerability by sending crafted requests to an affected system. A successful exploit could allow the attacker to log in to an affected Cisco Catalyst SD-WAN Controller as an internal, high-privileged, non-root user account. Using this account, the attacker could access NETCONF, which would then allow the attacker to manipulate network configuration for the SD-WAN fabric.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk

Security Impact Rating: Critical


CVE: CVE-2026-20127

306

Сisсо Сhаnnеl

4 Mar 2026 05:39

Cisco FXOS and UCS Manager Software Command Injection Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsciv-wGYtC78q?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoFXOSandUCSManagerSoftwareCommandInjectionVulnerability&vs_k=1

A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, local attacker with administrative privileges to perform command injection attacks on an affected system and elevate privileges to root.
This vulnerability is due to insufficient input validation of command arguments supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of the affected device with root-level privileges.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsciv-wGYtC78q

This advisory is part of the February 2026 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: February 2026 Semiannual Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75740).

Security Impact Rating: Medium

CVE: CVE-2026-20099

286

Сisсо Сhаnnеl

2 Mar 2026 05:17

Cisco Event Response: February 2026 Semiannual Cisco FXOS and NX-OS Software Security Advisory Bundled Publication
https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75740&vs_f=CiscoEventResponses&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoEventResponse:February2026SemiannualCiscoFXOSandNX-OSSoftwareSecurityAdvisoryBundledPublication&vs_k=1

412

Сisсо Сhаnnеl

2 Mar 2026 05:17

Cisco Catalyst SD-WAN Vulnerabilities
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoCatalystSD-WANVulnerabilities&vs_k=1

Multiple vulnerabilities in Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an attacker to access an affected system, elevate privileges to root, gain access to sensitive information, and overwrite arbitrary files.
For more information about these vulnerabilities, see the Details ( https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoCatalystSD-WANVulnerabilities&vs_k=1#details) section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v


Security Impact Rating: Critical


CVE: CVE-2026-20122,CVE-2026-20126,CVE-2026-20128,CVE-2026-20129,CVE-2026-20133

344

Сisсо Сhаnnеl

2 Mar 2026 05:17

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Cisco News and Vulnerabilities This channel is not official Boost the channel!! https://t.me/Cisco?boost More: @PopPolls @QubesOS 💻 @CiscoChat @Net3A t.me/Cisco/22556

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Сisсо Сhаnnеl

11 Mar 2026 04:20

Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-bypass-rLggKzVF?vs_f=CiscoSecurityAdvisory&vs_cat=SecurityIntelligence&vs_type=RSS&vs_p=CiscoSecureFirewallThreatDefenseSoftwareSnortDeepInspectionBypassVulnerability&vs_k=1

A vulnerability in the Snort 2 and Snort 3 deep packet inspection of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured Snort rules and allow traffic onto the network that should have been dropped.
This vulnerability is due to a logic error in the integration of the Snort Engine rules with Cisco Secure FTD Software that could allow different Snort rules to be hit when deep inspection of the packet is performed for the inner and outer connections. An attacker could exploit this vulnerability by sending crafted traffic to a targeted device that would hit configured Snort rules. A successful exploit could allow the attacker to send traffic to a network where it should have been denied.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort-bypass-rLggKzVF
This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication ( https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75736).

Security Impact Rating: Medium


CVE: CVE-2026-20007