SB2022050607 - Denial of service in F5 BIG-IP CGNAT LSN



SB2022050607 - Denial of service in F5 BIG-IP CGNAT LSN

Published: May 6, 2022

Security Bulletin ID SB2022050607
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) Incorrect calculation (CVE-ID: CVE-2022-26517)

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

The vulnerability exists due to incorrect calculation error in the CGNAT LSN feature. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.