SB2025031335 - Improper access control in Cisco IOS XR
Published: March 13, 2025
Security Bulletin ID
SB2025031335
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2025-20144)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to incorrect handling of packets when a specific configuration of the hybrid access control list (ACL) exists. A remote attacker can bypass a configured ACL on the target device.
Remediation
Install update from vendor's website.