CVE-2018-5511 Command injection in BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe)

High 7.2 Published 13 Apr 2018 Updated 16 Sep 2024

Authenticated administrators can bypass command restrictions in the BIG-IP Configuration utility to execute arbitrary commands.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-5511?

CVE-2018-5511 is a high-severity command injection vulnerability in F5 Big-Ip Access Policy Manager, published on 13 Apr 2018. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

On F5 BIG-IP 13.1.0-13.1.0.3 or 13.0.0, when authenticated administrative users execute commands in the Traffic Management User Interface (TMUI), also referred to as the BIG-IP Configuration utility, restrictions on allowed commands may not be enforced.

Weakness: CWE-470

Which versions are affected by CVE-2018-5511?

It affects 16 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 10 more.

How do I fix CVE-2018-5511?

No fix has been published for CVE-2018-5511 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-2018-5511 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-5511 exists.

Public exploit code: 1 Exploit-DB entry.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-4cq3-3qxv-x93w.