SB2022042132 - Improper Check for Unusual or Exceptional Conditions in Cisco Unified Communications Products



SB2022042132 - Improper Check for Unusual or Exceptional Conditions in Cisco Unified Communications Products

Published: April 21, 2022

Security Bulletin ID SB2022042132
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 security vulnerability.


1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2022-20804)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect processing of certain Cisco Discovery Protocol packets. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.