CVE-2025-20333

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 authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper...

CVE-2025-20333

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 authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper...

Cisco Secure Firewall Adaptive Security Appliance Software, Secure Firewall Threat Defense Software, IOS Software, IOS XE Software, and IOS XR Software Web Services Remote Code Execution Vulnerability

A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance ASA Software, Cisco Secure Firewall Threat Defense FTD Software, Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, remote attacker Cisco ASA and FTD Software...

Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software VPN Web Server Remote Code Execution Vulnerability

Update: On November 5, 2025, Cisco became aware of a new attack variant against devices running Cisco Secure ASA Software or Cisco Secure FTD Software releases that are affected by CVE-2025-20333 and CVE-2025-20362. This attack can cause unpatched devices to unexpectedly reload, leading to denial...

Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability

Cisco Secure Firewall Adaptive Security ASA Appliance and Secure Firewall Threat Defense FTD Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362...

Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability

Cisco Secure Firewall Adaptive Security ASA Appliance and Secure Firewall Threat Defense FTD Software VPN Web Server contain a missing authorization vulnerability. This vulnerability could be chained with CVE-2025-20333...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are both products of Cisco, Inc.Cisco Secure Firewall Adaptive Cisco Secure Firewall Adaptive Security Appliance is an enterprise-class firewall software.Cisco Secure Firewall Threat Defense is an integrate...

PT-2025-39420

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA affected versions not specified Cisco Secure Firewall Threat Defense FTD affected versions not specified Description A buffer overflow issue exists in the VPN web server of Cisco Secure...

PT-2025-39422

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software Cisco Secure Firewall Threat Defense FTD Software Cisco IOS Software Cisco IOS XE Software Cisco IOS XR Software Description A flaw exists in the web services of the listed Cisco...

PT-2025-39421

Name of the Vulnerable Software and Affected Versions Cisco Adaptive Security Appliance ASA affected versions not specified Cisco Firepower Threat Defense FTD affected versions not specified Description A missing authorization issue in the VPN web server of Cisco ASA and FTD allows an...

Cisco Adaptive Firepower Threat Defense Software Inactive-to-Active ACL Bypass (cisco-sa-asaftd-ogsnsg-aclbyp-3XB8q6jX)

A vulnerability in the activation of an access control list ACL on Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. Thi...

Cisco Adaptive Security Appliance Software Inactive-to-Active ACL Bypass (cisco-sa-asaftd-ogsnsg-aclbyp-3XB8q6jX)

A vulnerability in the activation of an access control list ACL on Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. Thi...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are both products of Cisco, Inc.Cisco Secure Firewall Adaptive Cisco Secure Firewall Adaptive Security Appliance is an enterprise-class firewall software.Cisco Secure Firewall Threat Defense is an integrate...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Network Address Translation DNS Inspection DoS (cisco-sa-asaftd-nat-dns-dos-bqhynHTM)

According to its self-reported version, Cisco Adaptive Security Appliance ASA Software is affected by a vulnerability. - 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 an...

Cisco Secure Adaptive Security Appliance Remote Access VPN Web Server DoS (cisco-sa-asaftd-vpnwebs-dos-hjBhmBsX)

According to its self-reported version, Cisco Adaptive Security Appliance ASA Software is affected by a vulnerability. - 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...

CVE-2025-20127

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-2025-20239

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-2025-20254

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-2025-20252

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-2025-20136

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...