CVE-2023-46747: in the CISA KEV catalogue

F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability. CISA added CVE-2023-46747 to the Known Exploited Vulnerabilities catalogue on 2023-10-31 with a default due date of 2023-11-21. Known ransomware campaign use: Known. Forensic triage flag: No.

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 description)

Vendor / product: F5 BIG-IP Configuration Utility
CWE: CWE-288
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS: 97%, percentile 99 (scored 2026-11-03)

EPSS puts about 97 in 100 odds (97%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2023-46747 in the CISA KEV catalogue?

Yes. CISA added CVE-2023-46747 (F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2023-10-31. CISA's default due date for it is 2023-11-21.

Is CVE-2023-46747 used in ransomware attacks?

CISA marks known ransomware campaign use as Known for CVE-2023-46747.

What should I do about CVE-2023-46747?

CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2023-46747