Cisco Cisco Secure Firewall Adaptive Security Appliance (Asa) Software
47 CVEs affecting Cisco Cisco Secure Firewall Adaptive Security Appliance (Asa) Software. Latest disclosed: 2026-09-16. Critical: 5, High: 20.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-20332 | Critical | 9.9 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2026-20330 | Critical | 9.9 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2026-20329 | Critical | 9.9 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2025-20333 | Critical | 9.9 | 2025-09-25 | A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Softwa… |
CVE-2026-20331 | Critical | 9.6 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2026-20336 | High | 8.8 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2026-20333 | High | 8.8 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2026-20250 | High | 8.6 | 2026-09-16 | A vulnerability in Datagram TLS (DTLS) message handling of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat De… |
CVE-2026-20249 | High | 8.6 | 2026-09-16 | A vulnerability in the certification authentication feature of Internet Key Exchange version 2 (IKEv2) for Cisco Secure Firewall Adaptive Security Applian… |
CVE-2026-20154 | High | 8.6 | 2026-09-16 | A vulnerability in the system rate-limiting process for syslog message 419002 of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Sec… |
CVE-2026-20349 | High | 8.6 | 2026-08-11 | A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defe… |
CVE-2026-20012 | High | 8.6 | 2026-03-25 | A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Ap… |
CVE-2026-20103 | High | 8.6 | 2026-03-04 | A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defen… |
CVE-2026-20101 | High | 8.6 | 2026-03-04 | A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remo… |
CVE-2026-20082 | High | 8.6 | 2026-03-04 | A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software could allow an unauthent… |
CVE-2026-20039 | High | 8.6 | 2026-03-04 | A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Softwa… |
CVE-2024-20260 | High | 8.6 | 2024-10-23 | Update for September 16, 2026: The original 1.0 version of this advisory was specific to the Cisco Adaptive Security Virtual Appliance (ASAv) and Cisco Secure… |
CVE-2026-20334 | High | 8.4 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2026-20335 | High | 8.1 | 2026-09-16 | As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall T… |
CVE-2026-20105 | High | 7.7 | 2026-03-04 | A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defen… |