What is CVE-2025-20224?

CVE-2025-20224 is a medium-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.8/10. Published 2025-08-14.

How severe is CVE-2025-20224?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Vulnerability in Cisco Adaptive Security Appliance (Asa) Software

CVE-2025-20224

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to…

EPSS: 0.006 (45.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.

Affected products

Cisco Adaptive Security Appliance (Asa) Software — versions 9.8.1, 9.8.1.5, 9.8.1.7
Cisco Firepower Threat Defense Software — versions 6.2.3, 6.2.3.1, 6.2.3.2

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

psirt@cisco.com

Frequently asked questions

What is CVE-2025-20224?: CVE-2025-20224 is a medium-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.8/10. Published 2025-08-14.
How severe is CVE-2025-20224?: Medium severity. CVSS v3 base score is 5.8 out of 10.