SB2024031419 - Improper access control in Cisco IOS XR Software



SB2024031419 - Improper access control in Cisco IOS XR Software

Published: March 14, 2024

Security Bulletin ID SB2024031419
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2024-20322)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/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 improper assignment of lookup keys to internal interface contexts. A remote attacker can access resources behind the affected device that are supposed to be protected by a configured ACL.


Remediation

Install update from vendor's website.