SB2024022909 - Improper access control in Cisco Nexus 3000 and 9000 Series Switches



SB2024022909 - Improper access control in Cisco Nexus 3000 and 9000 Series Switches

Published: February 29, 2024

Security Bulletin ID SB2024022909
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-2024-20291)

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 incorrect hardware programming that occurs when configuration changes are made to port channel member ports. A remote attacker can send traffic that should be blocked through the affected device.


Remediation

Install update from vendor's website.