BIG-IP Appliance Mode Bypass via External Monitor
CVE-2023-43746 Published on October 10, 2023
BIG-IP Appliance mode external monitor vulnerability
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.
Vulnerability Analysis
CVE-2023-43746 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Privilege Defined With Unsafe Actions
A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even when it is assigned to the correct entity.
Products Associated with CVE-2023-43746
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Affected Versions
F5 BIG-IP:- Version 17.1.0 and below * is unaffected.
- Version 16.1.0 and below 16.1.4 is affected.
- Version 15.1.0 and below 15.1.9 is affected.
- Version 14.1.0 and below * is affected.
- Version 13.1.0 and below * is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.