SB2021100701 - Denial of service in Cisco AsyncOS for Cisco Web Security Appliance



SB2021100701 - Denial of service in Cisco AsyncOS for Cisco Web Security Appliance

Published: October 7, 2021

Security Bulletin ID SB2021100701
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) Memory leak (CVE-ID: CVE-2021-34698)

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

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


Remediation

Install update from vendor's website.