CVE-2021-22976

Published: Feb 12, 2021Modified: Nov 21, 2024

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Affected (10)

Products: F5: Big Ip Advanced Web Application Firewall, Big Ip Application Security Manager

2 products

Big Ip Advanced Web Application Firewall

Big Ip Application Security Manager

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
F5 Big Ip Advanced Web Application Firewall	From 12.1.0 to 12.1.5
F5 Big Ip Advanced Web Application Firewall	From 13.1.0 to 13.1.3.6
F5 Big Ip Advanced Web Application Firewall	From 14.1.0 to 14.1.3.1
F5 Big Ip Advanced Web Application Firewall	From 15.1.0 to 15.1.2
F5 Big Ip Advanced Web Application Firewall	From 16.0.0 to 16.0.1.1
F5 Big Ip Application Security Manager	From 12.1.0 to 12.1.5
F5 Big Ip Application Security Manager	From 13.1.0 to 13.1.3.6
F5 Big Ip Application Security Manager	From 14.1.0 to 14.1.3.1
F5 Big Ip Application Security Manager	From 15.1.0 to 15.1.2
F5 Big Ip Application Security Manager	From 16.0.0 to 16.0.1.1

References (2)

https://support.f5.com/csp/article/K88230177

Source: f5sirt@f5.com

Vendor Advisory

https://support.f5.com/csp/article/K88230177

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.