CS
Product
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
On CISA KEVExploited in the wild
18
CVEs
3
On KEV
9.9
Max CVSS
0
New 30D
Severity mix
Critical 5High 10Medium 3Low 0
Watch
Add Cisco Secure Firewall Adaptive Security Appliance (ASA) Software to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2025-20333 In wildKEV | 9.9 | Sep 25 | Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more |
| CVE-2026-20349 In wildKEV | 8.6 | Aug 11 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2025-20362 In wildKEV | 8.6 | Sep 25 | Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability Affected: 9.8.1; 9.8.1.5; 9.8.1.7; 9.8.2; 9.8.2.8; 9.8.2.14; +34 more |
| CVE-2026-20332 | 9.9 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Access Control Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20330 | 9.9 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Neutralization Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20329 | 9.9 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Exceptional Conditions Handling Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20331 | 9.6 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Protection Mechanism Failure Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20333 | 8.8 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Comparison Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20336 | 8.8 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Resource Lifetime Management Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20154 | 8.6 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance Software and Secure Firewall Threat Defense Software Logging Denial of Service Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20249 | 8.6 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20250 | 8.6 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Firepower 3100 and 4200 Series DTLS Denial of Service Vulnerability Affected: 9.23.1; 9.22.1.1; 9.22.1.3; 9.22.1.6; 9.22.2; 9.23.1.3; +11 more |
| CVE-2026-20334 | 8.4 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Coding Standards Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20335 | 8.1 | Sep 16 | Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Incorrect Calculation Vulnerabilities Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20222 | 7.4 | Sep 16 | Cisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability Affected: 9.19.1; 9.19.1.5; 9.19.1.9; 9.19.1.12; 9.19.1.18; 9.20.1; +34 more |
| CVE-2026-20248 | 6.8 | Sep 16 | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability Affected: 9.16.1; 9.16.1.28; 9.16.2; 9.16.2.3; 9.16.2.7; 9.16.2.11; +34 more |
| CVE-2026-20120 | 5.8 | Sep 16 | Cisco FTD ACL bypass vulnerability Affected: 9.23.1; 9.22.1.1; 9.22.1.3; 9.22.1.2; 9.22.1.6; 9.22.2; +10 more |
| CVE-2026-20121 | 5.3 | Sep 16 | CIsco FTD Bypass Access List Affected: 9.23.1; 9.22.1.1; 9.22.1.3; 9.22.1.2; 9.22.1.6; 9.22.2; +10 more |
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