SB2022040627 - Denial of service when handling SNMP connections in Cisco ESA, WSA and Secure Email and Web Manager



SB2022040627 - Denial of service when handling SNMP connections in Cisco ESA, WSA and Secure Email and Web Manager

Published: April 6, 2022

Security Bulletin ID SB2022040627
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Uncaught Exception (CVE-ID: CVE-2022-20675)

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

The vulnerability exists due to incorrect handling of connection requests sent to port 199/tcp. A remote non-authenticated attacker can connect to port 199/tcp and crash the SNMP service.


Remediation

Install update from vendor's website.