CVE-2021-23050

Published: Sep 14, 2021Modified: Jun 17, 2026

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 BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery (CSRF)-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected (7)

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

3 products

Big Ip Advanced Web Application Firewall

Big Ip Application Security Manager

Nginx App Protect

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
F5 Big Ip Advanced Web Application Firewall	15.1.0 ≤ version < 15.1.3.1
F5 Big Ip Advanced Web Application Firewall	16.0.0 ≤ version < 16.0.1.2
F5 Big Ip Application Security Manager	15.1.0 ≤ version < 15.1.3.1
F5 Big Ip Application Security Manager	16.0.0 ≤ version < 16.0.1.2
F5 Nginx App Protect	1.0.0 ≤ version ≤ 1.3.0
F5 Nginx App Protect	2.0.0 ≤ version ≤ 2.3.0
F5 Nginx App Protect	3.0.0 ≤ version < 3.5.0

Related CWEs

CWE-352

Cross-Site Request Forgery (CSRF)

The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

References (2)

https://support.f5.com/csp/article/K44553214

Source: f5sirt@f5.com

Vendor Advisory

https://support.f5.com/csp/article/K44553214

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

Vendor Advisory

Timeline

No history available yet.