CVE-2021-23001 File upload in BIG-IP Advanced WAF and BIG-IP ASM

Medium 4.3 Published 31 Mar 2021 Updated 3 Aug 2024

Authenticated users can upload arbitrary files via an undisclosed iControl REST endpoint in BIG-IP Advanced WAF and ASM, potentially leading to code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-23001?

CVE-2021-23001 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 31 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, the upload functionality in BIG-IP Advanced WAF and BIG-IP ASM allows an authenticated user to upload files to the BIG-IP system using a call to an undisclosed iControl REST endpoint. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Weakness: CWE-434

Which versions are affected by CVE-2021-23001?

It affects 14 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 8 more.

How do I fix CVE-2021-23001?

No fix has been published for CVE-2021-23001 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-23001 being exploited?

There is no known exploitation of CVE-2021-23001 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-2qg7-cxpp-hqpm.