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

What is CVE-2023-43746?

CVE-2023-43746 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 10 Oct 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-267

Which versions are affected by CVE-2023-43746?

It affects 18 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 12 more.

How do I fix CVE-2023-43746?

No fix has been published for CVE-2023-43746 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-43746 being exploited?

There is no known exploitation of CVE-2023-43746 in the wild and no public exploit code.

Other vulnerabilities in F5 Big-Ip Access Policy Manager

• CVE-2023-46747 F5 BIG-IP Configuration Utility Authentication Bypass Exploited Critical 9.8
• CVE-2022-1388 F5 BIG-IP Missing Authentication Exploited Critical 9.8
• CVE-2021-22986 F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Exploited Critical 9.8
• CVE-2021-22991 F5 BIG-IP Traffic Management Microkernel Buffer Overflow Exploited Critical 9.8
• CVE-2020-5902 F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Exploited Critical 9.8

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r7qm-xv29-cxj4.