F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability (CVE-2023-46747)
Severity: critical · Patch status: unknown · Since 2023-10-31 · CVE-2023-46747
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. CISA added CVE-2023-46747 to its Known Exploited Vulnerabilities catalog on Oct 31, 2023, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Nov 21, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch