Vulnerability in Cisco Ios Xr Software

CVE-2025-20144

A vulnerability in the hybrid access control list (ACL) processing of IPv4 packets in Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incorrect handling of p…

EPSS: 0.003 (23.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-20144?
CVE-2025-20144 is a medium-severity vulnerability in Cisco Ios Xr Software, classified under Improper Access Control. CVSS score: 4.0/10. Published 2025-03-12.
How severe is CVE-2025-20144?
Medium severity. CVSS v3 base score is 4.0 out of 10.