#VU26463 Command Injection in F5 Networks products - CVE-2020-5858

Vulnerability identifier: #VU26463

Vulnerability risk: Low

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

CVE-ID: CVE-2020-5858

CWE-ID: CWE-77

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
BIG-IP
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 Edge Gateway
BIG-IP Link Controller
BIG-IP WebAccelerator
BIG-IQ Centralized Management

Software vendor:
F5 Networks

The vulnerability allows a local user to execute arbitrary commands on the system.

The vulnerability exists due to the improper input validation. A local user with TMOS Shell (tmsh) access can use a specially crafted "tmsh" command and execute arbitrary commands with elevated privileges.

Install updates from vendor's website.

• https://support.f5.com/csp/article/K36814487