CVE-2023-46747
F5 BIG-IP Configuration Utility Authentication Bypass
- Published26 Oct 2023
- Added to CISA KEV31 Oct 2023
- Remediation due21 Nov 2023
Description
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
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.
References
- http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.html
- https://my.f5.com/manage/s/article/K000137353
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-46747
- https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2023-46747 being actively exploited?
Yes. CVE-2023-46747 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 31 Oct 2023. It has been used in ransomware campaigns.
How severe is CVE-2023-46747?
CVE-2023-46747 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 96.5% probability of exploitation.
Which products are affected by CVE-2023-46747?
Affected 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, and 15 more.
How do I fix CVE-2023-46747?
Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2023-46747 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.