SB2023092924 - Denial of service in Cisco Wireless LAN Controller AireOS Software



SB2023092924 - Denial of service in Cisco Wireless LAN Controller AireOS Software

Published: September 29, 2023

Security Bulletin ID SB2023092924
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2023-20251)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the memory buffer. A remote attacker on the local network can force the application to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.