SB2021031606 - Remote authenticated command execution in BIG-IP Appliance mode TMUI

Description

This security bulletin contains information about 1 security vulnerability.

1) OS Command Injection (CVE-ID: CVE-2021-22987)

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the Traffic Management User Interface (TMUI) when running in Appliance mode. A remote authenticated user with network access to the Configuration utility, through the BIG-IP management port, or self IP addresses can send specially crafted request and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://support.f5.com/csp/article/K18132488