CVE-2025-20219: Improper Access Control

A vulnerability in the implementation of access control rules for loopback interfaces in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to send traffic that should have been block...

CVE-2025-20136: Loop with Unreachable Exit Condition

A vulnerability in the function that performs IPv4 and IPv6 Network Address Translation NAT DNS inspection for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device t...

CVE-2025-20135: Missing Release of Memory after Effective Lifetime

A vulnerability in the DHCP client functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, adjacent attacker to exhaust available memory. This vulnerability is due to improper validation ...

CVE-2025-20134: Double Free

A vulnerability in the certificate processing 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 the device to reload unexpectedly, resulting in a denial of service DoS...

CVE-2025-20133: Missing Release of Memory after Effective Lifetime

A vulnerability in the management and VPN web servers of the Remote Access SSL VPN feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to unexpectedly stop responding, resulting in a DoS condition. This...

CVE-2025-20127: Improper Resource Shutdown or Release

A vulnerability in the TLS 1.3 implementation for a specific cipher for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Firepower 3100 and 4200 Series devices could allow an authenticated, remote attacker to consume...

CVE-2025-20263: Integer Overflow to Buffer Overflow

A vulnerability in the web services interface 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 buffer overflow on an affected system. This vulnerability is due to...

CVE-2025-20254: Missing Release of Memory after Effective Lifetime

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service DoS...

CVE-2025-20253: Loop with Unreachable Exit Condition

A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is due to the improper processing of...

CVE-2025-20252: Missing Release of Memory after Effective Lifetime

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service DoS...

CVE-2025-20251: Improper Validation of Specified Type of Input

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker to create or delete arbitrary files on the underlying operating system. If...

CVE-2025-20244: Improper Validation of Specified Type of Input

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow a remote attacker that is authenticated as a VPN user to cause the device to reload unexpectedly, resulting in ...

CVE-2025-20243: Loop with Unreachable Exit Condition

A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to improper validation of...

CVE-2025-20239: Missing Release of Memory after Effective Lifetime

A vulnerability in the Internet Key Exchange Version 2 IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance ASA Software, and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resultin...

CVE-2025-20238: Internal Asset Exposed to Unsafe Debug Access Level or State

A vulnerability in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level privileges. To exploit this...

CVE-2025-20237: Improper Neutralization of Expression/Command Delimiters

A vulnerability in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level privileges. To exploit this...

CVE-2025-20225: Missing Release of Memory after Effective Lifetime

A vulnerability in the Internet Key Exchange Version 2 IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance ASA Software, and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resultin...

CVE-2024-20358

A vulnerability in the Cisco Adaptive Security Appliance ASA restore functionality that is available in Cisco ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level...

CVE-2024-20355

A vulnerability in the implementation of SAML 2.0 single sign-on SSO for remote access VPN services in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to successfully establish a VPN session on an affecte...

CVE-2024-20384

A vulnerability in the Network Service Group NSG feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass a configured access control list ACL and allow traffic that should be denied to flow...