Cisco Adaptive Security Appliance Software vulnerabilities
354 published vulnerabilities in Cisco Adaptive Security Appliance Software, 14 of them exploited in the wild. The most were published in 2020 (35), and 26 so far in 2026.
Cisco Adaptive Security Appliance Software vulnerabilities by year
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Most exploited Cisco Adaptive Security Appliance Software vulnerabilities
- CVE-2025-20333 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow
- CVE-2016-6366 Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow
- CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection
- CVE-2024-20353 Cisco ASA and FTD Denial of Service
- CVE-2016-6367 Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution
- CVE-2020-3452 Cisco ASA and FTD Read-Only Path Traversal
- CVE-2020-3259 Cisco ASA and FTD Information Disclosure
- CVE-2018-0296 Cisco Adaptive Security Appliance (ASA) Denial-of-Service
- CVE-2025-20362 Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization
- CVE-2020-3580 Cisco ASA and FTD Cross-Site Scripting (XSS)
- CVE-2024-20359 Cisco ASA and FTD Privilege Escalation
- CVE-2024-20481 Cisco ASA and FTD Denial-of-Service
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