CVE-2021-23012 Command injection in BIG-IP

High 8.2 Published 10 May 2021 Updated 3 Aug 2024

Privileged users can execute arbitrary bash commands on BIG-IP devices due to insufficient input validation in system support functionality.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-23012?

CVE-2021-23012 is a high-severity command injection vulnerability in F5 Big-Ip Access Policy Manager, published on 10 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, and 13.1.x before 13.1.4, lack of input validation for items used in the system support functionality may allow users granted either "Resource Administrator" or "Administrator" roles to execute arbitrary bash commands on BIG-IP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-78

Which versions are affected by CVE-2021-23012?

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-2021-23012?

No fix has been published for CVE-2021-23012 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-23012 being exploited?

There is no known exploitation of CVE-2021-23012 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-3m48-rv72-9g79.