critical
9.9
CWE
78
Advisory Published
Updated

CVE-2021-23031: OS Command Injection

First published: Tue Sep 14 2021(Updated: )

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Big-ip Advanced Web Application Firewall>=11.6.1<=11.6.5.2
F5 Big-ip Advanced Web Application Firewall>=12.1.0<=12.1.5
F5 Big-ip Advanced Web Application Firewall>=13.1.0<=13.1.3
F5 Big-ip Advanced Web Application Firewall>=14.1.0<=14.1.4
F5 Big-ip Advanced Web Application Firewall>=15.1.0<=15.1.2
F5 Big-ip Advanced Web Application Firewall>=16.0.0<=16.0.1.1
F5 BIG-IP Application Security Manager>=11.6.1<=11.6.5.2
F5 BIG-IP Application Security Manager>=12.1.0<=12.1.5
F5 BIG-IP Application Security Manager>=13.1.0<=13.1.3
F5 BIG-IP Application Security Manager>=14.1.0<=14.1.4
F5 BIG-IP Application Security Manager>=15.1.0<=15.1.2
F5 BIG-IP Application Security Manager>=16.0.0<=16.0.1.1

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-23031?

    CVE-2021-23031 is a vulnerability that allows an authenticated user to perform privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility.

  • What software versions are affected by CVE-2021-23031?

    CVE-2021-23031 affects F5 Big-ip Advanced Web Application Firewall versions 11.6.1 to 11.6.5.2, 12.1.0 to 12.1.5, 13.1.0 to 13.1.3, 14.1.0 to 14.1.4, 15.1.0 to 15.1.2, and 16.0.0 to 16.0.1.1, as well as F5 BIG-IP Application Security Manager versions 11.6.1 to 11.6.5.2, 12.1.0 to 12.1.5, 13.1.0 to 13.1.3, 14.1.0 to 14.1.4, 15.1.0 to 15.1.2, and 16.0.0 to 16.0.1.1.

  • What is the severity of CVE-2021-23031?

    CVE-2021-23031 has a severity rating of 9.9 (critical).

  • How can I fix CVE-2021-23031?

    To fix CVE-2021-23031, it is recommended to upgrade to the patched versions: 16.0.1.2, 15.1.3, 14.1.4.1, 13.1.4, 12.1.6, or 11.6.5.3 for F5 Big-ip Advanced Web Application Firewall, and 16.0.1.2, 15.1.3, 14.1.4.1, 13.1.4, 12.1.6, or 11.6.5.3 for F5 BIG-IP Application Security Manager.

  • Where can I get more information about CVE-2021-23031?

    For more information about CVE-2021-23031, you can visit the following link: [https://support.f5.com/csp/article/K41351250](https://support.f5.com/csp/article/K41351250)

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