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-2025-20263 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability

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-2025-20136 Cisco Adaptive Security Appliance and Firepower Threat Defense Software Network Address Translation DNS Inspection Denial of Service 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 and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device t...

CVE-2025-20136 Cisco Adaptive Security Appliance and Firepower Threat Defense Software Network Address Translation DNS Inspection Denial of Service 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 and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device t...

CVE-2025-20135 Cisco Adaptive Security Appliance and Firepower Threat Defense Software DHCP Denial of Service Vulnerability

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-2025-20127 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 3100 and 4200 Series TLS Cipher Denial of Service Vulnerability

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-2025-20127 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 3100 and 4200 Series TLS Cipher Denial of Service Vulnerability

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-2025-20127

CVE-2025-20127 affects Cisco Secure Firewall ASA/FTD on Firepower 3100 and 4200 Series. The issue stems from TLS 1.3 cipher TLS_CHACHA20_POLY1305_SHA256, allowing an authenticated, remote attacker to exhaust resources tied to incoming TLS 1.3 connections and potentially deny new SSL/TLS or VPN co...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series TLS 1.3 Cipher Denial of Service Vulnerability

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...

PT-2025-33333 · Cisco · Cisco Secure Firewall Threat Defense (Ftd) +1

Name of the Vulnerable Software and Affected Versions: Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software affected versions not specified Description: A flaw exists in the Internet Key Exchange Version 2 IKEv2 module that may allow a...

PT-2025-33311

Name of the Vulnerable Software and Affected Versions: Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Firepower 3100 and 4200 Series devices affected versions not specified Description: A flaw in the TLS 1.3...

PT-2025-33334 · Cisco · Cisco Secure Firewall Asa +1

Name of the Vulnerable Software and Affected Versions: Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description: A vulnerability exists in the web services interface of the software that could...

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-2024-20261

A vulnerability in the file policy feature that is used to inspect encrypted archive files of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass a configured file policy to block an encrypted archive file. This vulnerability exists because of a...

CVE-2024-20386

A vulnerability in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the interface of an affected device. This vulnerability is due to...

CVE-2024-20269

A vulnerability in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface of an affected device. This vulnerability is due to insufficient...

CVE-2024-20359

A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plug-ins and that has been available in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary code...

CVE-2024-20300

A vulnerability in the web-based management interface of Cisco Firepower Management Center FMC Software could allow an authenticated, remote attacker to conduct a cross-site scripting XSS attack against a user of the interface of an affected device. This vulnerability is due to insufficient...

CVE-2024-20407

A vulnerability in the interaction between the TCP Intercept feature and the Snort 3 detection engine on Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured policies on an affected system. Devices that are configured with Snort 2 are no...

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...