AS
Product
Adaptive Security Appliance Software
by Cisco · last CVE Aug 11, 2026
On CISA KEVExploited in the wildRansomware-linked
354
CVEs
14
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 8High 106Medium 87Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2025-20333
In wildKEV
9.9
71%
Sep 25
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability
Affected: 9.12 before 9.12.4.72; 9.14 before 9.14.4.28; 9.16 before 9.16.4.85; 9.17.0 before 9.17.1.45; 9.18 before 9.18.4.47; 9.19 before 9.19.1.37; +2 more
CVE-2023-20269
RansomwareIn wildKEV
9.1
27%
Sep 6
Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access 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-2016-6366
In wildKEV
8.8
88%
Aug 18
Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Vulnerability
Affected: 7.2.1 before 9.0.4.40; 9.1.1 before 9.1.7\(9\); 9.2.0 before 9.2.4\(14\); 9.3.0 before 9.3.3\(10\); 9.4.0.115 before 9.4.3\(8\); 9.5.0 through 9.5\(3\); +1 more
CVE-2026-20349
In wildKEV
8.6
1%
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
87%
Sep 25
Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization Vulnerability
Affected: 9.12 before 9.12.4.72; 9.14 before 9.14.4.28; 9.16 before 9.16.4.85; 9.17.0 before 9.18.4.67; 9.19 before 9.20.4.10; 9.22 before 9.22.2.14; +1 more
CVE-2024-20353
In wildKEV
8.6
70%
Apr 24
Cisco ASA and FTD Denial of Service 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-2016-6367
In wildKEV
7.8
23%
Aug 18
Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution Vulnerability
Affected: 7.2.0 before 8.4\(3\); 8.5 before 9.0\(1\)
CVE-2020-3452
In wildKEV
7.5
100%
Jul 22
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Read-Only Path Traversal Vulnerability
Affected: 9.6 before 9.6.4.42; 9.8 before 9.8.4.20; 9.9 before 9.9.2.74; 9.10 before 9.10.1.42; 9.12 before 9.12.3.12; 9.13 before 9.13.1.10; +1 more
CVE-2020-3259
RansomwareIn wildKEV
7.5
72%
May 6
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Information Disclosure Vulnerability
Affected: 9.8 before 9.8.4.20; 9.9 before 9.9.2.67; 9.10 before 9.10.1.40; 9.12 before 9.12.3.9; 9.13 before 9.13.1.10
CVE-2018-0296
In wildKEV
7.5
100%
Jun 7
Cisco Adaptive Security Appliance (ASA) Denial-of-Service Vulnerability
Affected: 9.1 before 9.1.7.29; 9.2 before 9.2.4.33; 9.3 before 9.4.4.18; 9.5 before 9.6.4.8; 9.7 before 9.7.1.24; 9.8 before 9.8.2.28; +1 more
CVE-2020-3580
RansomwareIn wildKEV
6.1
86%
Oct 21
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Interface Cross-Site Scripting Vulnerabilities
Affected: before 9.8.4.34; 9.9 before 9.9.2.85; 9.10 before 9.12.4.13; 9.13 before 9.13.1.21; 9.14 before 9.14.2.8; 9.15 before 9.15.1.15
CVE-2014-2120
In wildKEV
6.1
23%
Mar 19
Cisco Adaptive Security Appliance (ASA) Cross-Site Scripting (XSS) Vulnerability
Affected: 0
CVE-2024-20359
In wildKEV
6.0
19%
Apr 24
Cisco ASA and FTD Privilege Escalation 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-2024-20481
In wildKEV
5.8
16%
Oct 23
Cisco ASA and FTD Denial-of-Service 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
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