BIG-IP config util auth bypass allows RCE via mgmt port
CVE-2023-46747 Published on October 26, 2023
BIG-IP Configuration utility unauthenticated remote code execution vulnerability
Undisclosed requests may bypass configuration utility authentication, allowing an attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Known Exploited Vulnerability
This F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. F5 BIG-IP Configuration utility contains an authentication bypass using an alternate path or channel vulnerability due to undisclosed requests that may allow an unauthenticated attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute system commands. This vulnerability can be used in conjunction with CVE-2023-46748.
The following remediation steps are recommended / required by November 21, 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2023-46747 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Authentication Bypass Using an Alternate Path or Channel
A product requires authentication, but the product has an alternate path or channel that does not require authentication.
Products Associated with CVE-2023-46747
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2023-46747 are published in these products:
Affected Versions
F5 BIG-IP:- Version 17.1.0 and below * is affected.
- Version 16.1.0 and below * is affected.
- Version 15.1.0 and below * 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.