KNOWN EXPLOITED VULNERABILITY DOSSIER
CVE-2026-20349
Cisco · Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD)
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) contain a heap inspection vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
Correlated Federal Court Cases & Exploitation Context (0)
No federal court indictment in the current archive directly cites CVE-2026-20349. This record tracks its addition to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2026-08-11.
Associated Government Advisories
Tracked under CISA Known Exploited Vulnerabilities Binding Operational Directive 22-01 for federal civilian agency remediation.