SB2020121733 - Denial of service in F5 BIG-IP APM PingAccess



SB2020121733 - Denial of service in F5 BIG-IP APM PingAccess

Published: December 17, 2020

Security Bulletin ID SB2020121733
CSH 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 vulnerability.


1) Resource management error (CVE-ID: CVE-2020-27723)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to improper management of internal resources within the BIG-IP APM virtual server when processing PingAccess requests. 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.