CVE-2020-27718

Published: Dec 24, 2020Modified: 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

When a BIG-IP ASM or Advanced WAF system running version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, or 11.6.1-11.6.5.2 processes requests with JSON payload, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.

Affected (12)

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

12 vulnerable

Vulnerable Software	Affected Versions
F5 Big Ip Advanced Web Application Firewall	From 11.6.1 to 11.6.5
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 13.1.3.5
F5 Big Ip Advanced Web Application Firewall	From 14.1.0 to 14.1.3.1
F5 Big Ip Advanced Web Application Firewall	From 15.0.0 to 15.1.1
F5 Big Ip Advanced Web Application Firewall	From 16.0.0 to 16.0.1
F5 Big Ip Application Security Manager	From 11.6.1 to 11.6.5
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 13.1.3.5
F5 Big Ip Application Security Manager	From 14.1.0 to 14.1.3.1
F5 Big Ip Application Security Manager	From 15.0.0 to 15.1.1
F5 Big Ip Application Security Manager	From 16.0.0 to 16.0.1

References (2)

https://support.f5.com/csp/article/K58102101

Source: f5sirt@f5.com

Vendor Advisory

https://support.f5.com/csp/article/K58102101

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

Vendor Advisory

Timeline

No history available yet.