What is CVE-2025-20219?

CVE-2025-20219 is a medium-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Improper Access Control. CVSS score: 5.3/10. Published 2025-08-14.

How severe is CVE-2025-20219?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cisco Adaptive Security Appliance (Asa) Software

CVE-2025-20219

A vulnerability in the implementation of access control rules for loopback interfaces in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticate…

EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Cisco Adaptive Security Appliance (Asa) Software — versions 9.18.2, 9.18.2.5, 9.18.2.7
Cisco Firepower Threat Defense Software — versions 7.3.0, 7.3.1, 7.3.1.1

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

psirt@cisco.com

Frequently asked questions

What is CVE-2025-20219?: CVE-2025-20219 is a medium-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Improper Access Control. CVSS score: 5.3/10. Published 2025-08-14.
How severe is CVE-2025-20219?: Medium severity. CVSS v3 base score is 5.3 out of 10.