#VU51391 OS Command Injection in F5 Networks products - CVE-2021-22986

Vulnerability identifier: #VU51391

Vulnerability risk: High

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber

CVE-ID: CVE-2021-22986

CWE-ID: CWE-78

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerable software:
BIG-IP
BIG-IP DDHD
BIG-IP SSLO
BIG-IP LTM
BIG-IP AFM
BIG-IP Analytics
BIG-IP APM
BIG-IP ASM
BIG-IP FPS
BIG-IP GTM
BIG-IP PEM
BIG-IP AAM
BIG-IP DNS
BIG-IP Link Controller
BIG-IP Advanced WAF
BIG-IQ Centralized Management

Software vendor:
F5 Networks

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

The vulnerability exists due to improper input validation within the iControl REST API. A remote unauthenticated attacker can send a specially crafted HTTP request to the affected API endpoint and execute arbitrary OS commands on the target system.

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

Install updates from vendor's website.

• https://support.f5.com/csp/article/K03009991