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
- Cisco Ios Xr Software — versions 6.5.3, 6.5.2, 6.5.92
- Cisco Ios_xr — versions 6.5.1, 6.5.2, 6.5.3
- Cisco Ncs_540-12z20g-sys-a
- Cisco Ncs_540-12z20g-sys-d
- Cisco Ncs_540-24q2c2dd-sys
- Cisco Ncs_540-24q8l2dd-sys
- Cisco Ncs_540-24z8q2c-sys
- Cisco Ncs_540-28z4c-sys-a
- Cisco Ncs_540-28z4c-sys-d
- Cisco Ncs_540-6z14s-sys-d
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
- psirt@cisco.com (Technical Description)
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.