Patchfirst
Class familyCisco · Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

Cisco ASA missing Release of Resource after Effective Lifetime flaws, 2023–2026

4 Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) CVEs with CWE-772 weaknesses, 1 Nov 2023 to 4 Mar 2026. 1 is in .

CVEs by year

Published each year. Select a CVE to open it.

Grouped by product and weakness type (CWE); not proven to share a root cause.

In CISA KEVNot in KEV

20231 CVE

20242 CVEs, 1 in KEV

20261 CVE

CVEs in this family

Table view of the years above
CVEPublishedTitleLinked fromPriority
CVE-2023-20095 1 Nov 2023 A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco… Grouped by weakness 16.2
CVE-2024-20481KEV 23 Oct 2024 Cisco ASA and FTD Denial-of-Service Vulnerability Grouped by weakness 61.4
CVE-2024-20493 23 Oct 2024 A vulnerability in the login authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive… Grouped by weakness 13.0
CVE-2026-20082 4 Mar 2026 A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security… Grouped by weakness 14.1
↑ ↓ chooseEnter openEsc close