high
8.7
CWE
267
Advisory Published
CVE Published
Updated

CVE-2023-43746: BIG-IP Appliance mode external monitor vulnerability

First published: Tue Oct 10 2023(Updated: )

When running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, utilizing BIG-IP external monitor on a BIG-IP system.  A successful exploit can allow the attacker to cross a security boundary.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=13.1.0<=14.1.5
F5 Access Policy Manager>=15.1.0<15.1.9
F5 Access Policy Manager>=16.1.0<16.1.4
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=14.1.5
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.9
F5 BIG-IP Advanced Firewall Manager>=16.1.0<16.1.4
F5 Application Security Manager>=13.1.0<=14.1.5
F5 Application Security Manager>=15.1.0<15.1.9
F5 Application Security Manager>=16.1.0<16.1.4
f5 big-ip domain name system>=13.1.0<=14.1.5
f5 big-ip domain name system>=15.1.0<15.1.9
f5 big-ip domain name system>=16.1.0<16.1.4
F5 BIG-IP Local Traffic Manager>=13.1.0<=14.1.5
F5 BIG-IP Local Traffic Manager>=15.1.0<15.1.9
F5 BIG-IP Local Traffic Manager>=16.1.0<16.1.4
F5 BIG-IP and BIG-IQ Centralized Management
17.1.0
F5 BIG-IP and BIG-IQ Centralized Management>=16.1.0<=16.1.3
16.1.4
F5 BIG-IP and BIG-IQ Centralized Management>=15.1.0<=15.1.8
15.1.9
F5 BIG-IP and BIG-IQ Centralized Management>=14.1.0<=14.1.5
F5 BIG-IP and BIG-IQ Centralized Management>=13.1.0<=13.1.5

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Reference Links

Frequently Asked Questions

  • What is CVE-2023-43746?

    CVE-2023-43746 is a vulnerability that allows an authenticated user with the Administrator role in Appliance mode to bypass restrictions on a BIG-IP system, potentially crossing a security boundary.

  • Which software versions are affected by CVE-2023-43746?

    CVE-2023-43746 affects F5 Big-ip Access Policy Manager versions 13.1.0 to 14.1.5, F5 Big-ip Advanced Firewall Manager versions 13.1.0 to 14.1.5, F5 BIG-IP Application Security Manager versions 13.1.0 to 14.1.5, F5 Big-ip Domain Name System versions 13.1.0 to 14.1.5, and F5 Big-ip Local Traffic Manager versions 13.1.0 to 14.1.5.

  • What is the severity of CVE-2023-43746?

    CVE-2023-43746 has a severity value of 8.7, which is considered high.

  • How can I fix CVE-2023-43746?

    To fix CVE-2023-43746, update to a version of F5 software that is not affected by this vulnerability.

  • Where can I find more information about CVE-2023-43746?

    You can find more information about CVE-2023-43746 at the following link: [https://my.f5.com/manage/s/article/K41072952](https://my.f5.com/manage/s/article/K41072952)

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