SB2021031603 - Denial of service in BIG-IP TMM



SB2021031603 - Denial of service in BIG-IP TMM

Published: March 16, 2021

Security Bulletin ID SB2021031603
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) Resource management error (CVE-ID: CVE-2021-23000)

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 application, if the tmm.http.rfc.enforcement with invalid host detection is enabled. A remote attacker can send a specific sequence of malicious requests and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.