CVE detail
CVE-2023-46747: F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
F5 · BIG-IP Configuration Utility
- Date added (KEV)
- Oct 31, 2023
- CISA due date
- Nov 21, 2023
- Ransomware campaign use
- Known
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor fix: Vendor advisory
Scorifya interpretation
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Plain English
Technical detail
From CISA
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.
https://my.f5.com/manage/s/article/K000137353; https://nvd.nist.gov/vuln/detail/CVE-2023-46747
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now, including in ransomware campaigns. Scorifya can't test for F5 directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
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See Scorifya Controls →References
- https://my.f5.com/manage/s/article/K000137353Vendor Advisory
- https://my.f5.com/manage/s/article/K000137353Vendor Advisory
- http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.htmlExploitThird Party AdvisoryVDB Entry
- https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/ExploitThird Party Advisory
- http://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.htmlExploitThird Party AdvisoryVDB Entry
- https://www.secpod.com/blog/f5-issues-warning-big-ip-vulnerability-used-in-active-exploit-chain/ExploitThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-46747US Government Resource
Other recent CVEs from F5
- CVE-2025-53521BIG-IP, F5 BIG-IP Stack-Based Buffer Overflow Vulnerability
- CVE-2023-46748BIG-IP Configuration Utility, F5 BIG-IP Configuration Utility SQL Injection Vulnerability
- CVE-2022-1388BIG-IP, F5 BIG-IP Missing Authentication Vulnerability
- CVE-2021-22991BIG-IP Traffic Management Microkernel, F5 BIG-IP Traffic Management Microkernel Buffer Overflow
- CVE-2020-5902BIG-IP, F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability