SB2022091507 - Denial of service in Cisco Network Convergence System 4000 Series



SB2022091507 - Denial of service in Cisco Network Convergence System 4000 Series

Published: September 15, 2022

Security Bulletin ID SB2022091507
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Uncontrolled Memory Allocation (CVE-ID: CVE-2022-20845)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to TL1 function does not free memory under some conditions. A local administrator can cause the TL1 process to consume large amounts of memory and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.