CVE-2021-22987 Command injection in BIG-IP Appliance Mode

Critical 9.9 Published 31 Mar 2021 Updated 3 Aug 2024

Authenticated attackers can execute arbitrary commands on BIG-IP devices running in Appliance mode via the TMUI.

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-2021-22987?

CVE-2021-22987 is a critical command injection 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 BIG-IP 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 when running in Appliance mode, the Traffic Management User Interface (TMUI), also referred to as the Configuration utility, has an authenticated remote command execution vulnerability in undisclosed pages. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Which versions are affected by CVE-2021-22987?

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-2021-22987?

No fix has been published for CVE-2021-22987 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-2021-22987 being exploited?

There is no known exploitation of CVE-2021-22987 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-h6q8-h24w-7xp3.