SB2021031609 - Remote authenticated command execution in BIG-IP Advanced WAF/ASM TMUI

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021031609

SB2021031609 - Remote authenticated command execution in BIG-IP Advanced WAF/ASM TMUI

Published: March 16, 2021

Security Bulletin ID SB2021031609
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) OS Command Injection (CVE-ID: CVE-2021-22990)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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


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 the Traffic Management User Interface (TMUI) on systems with Advanced WAF or BIG-IP ASM provisioned. A remote privileged user with the roles Administrator, Resource Administrator, or Application Security Administrator with network access to the Configuration utility, through the BIG-IP management port or self IP addresses can send specially crafted request to the system and execute arbitrary OS commands.


Remediation

Install update from vendor's website.

References