Secure Firewall ASA vulnerabilities (CVE): affected branches, fixed releases, CISA KEV
Patcharo tracks 7 vulnerabilities matched against Cisco Secure Firewall ASA versions: 2 critical, 7 known exploited (CISA KEV), 0 with a fixed release. Last source modification: 16 Sept 2026.
Last verified by Patcharo: 30 Sept 2026 at 12:52 UTC
Branches
Per branch: matched CVEs, CISA KEV entries, the newest fixed release stated by the vendor and the support status.
| Branch | CVEs | KEV | Newest fix stated | Support |
|---|---|---|---|---|
| 9.24 | 1 | 1 | — | — |
| 9.23 | 2 | 2 | — | — |
| 9.22 | 3 | 3 | — | — |
| 9.20 | 6 | 6 | — | — |
| 9.19 | 7 | 7 | — | — |
| 9.18 | 7 | 7 | — | — |
| 9.17 | 6 | 6 | — | — |
| 9.16 | 7 | 7 | — | — |
| 9.15 | 4 | 4 | — | — |
| 9.14 | 6 | 6 | — | — |
| 9.12 | 6 | 6 | — | — |
| 9.8 | 6 | 6 | — | — |
All Secure Firewall ASA CVEs
- Secure Firewall ASA, Secure Firewall Threat Defense (FTD)High8.6CVSS 3.1, High1%
- Secure Firewall ASA, Secure Firewall Threat Defense (FTD)High8.6CVSS 3.1, High87%
- Secure Firewall ASA, Secure Firewall Threat Defense (FTD)Critical9.9CVSS 3.1, Critical71%
Cisco ASA and FTD Denial-of-Service Vulnerability
Secure Firewall ASA, Secure Firewall Threat Defense (FTD)Medium5.8CVSS 3.1, Medium16%Cisco ASA and FTD Privilege Escalation Vulnerability
Secure Firewall ASA, Secure Firewall Threat Defense (FTD)Medium6CVSS 3.1, Medium19%Cisco ASA and FTD Denial of Service Vulnerability
Secure Firewall ASA, Secure Firewall Threat Defense (FTD)High8.6CVSS 3.1, High71%- CVE-2023-20269KEVRansomware
Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability
Secure Firewall ASA, Secure Firewall Threat Defense (FTD)Critical9.1CVSS 3.1, Critical25%