How severe is CVE-2023-46747?

CVE-2023-46747 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 96.5% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-46747: BIG-IP Configuration utility unauthenticated remote

CISA Known Exploited Vulnerabilities

F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-10-31

Remediation due

2023-11-21

Ransomware

Known use

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
https://my.f5.com/manage/s/article/K000137353; https://nvd.nist.gov/vuln/detail/CVE-2023-46747

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

Severity

CVSS 3.1 · CNA9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
F5	BIG-IP	17.1.0 to <* (fixed ≥ Hotfix-BIGIP-17.1.0.3.0.75.4-ENG.iso, Hotfix-BIGIP-17.1.1.0.2.6-ENG.iso) 16.1.0 to <* (fixed ≥ Hotfix-BIGIP-16.1.4.1.0.50.5-ENG.iso) 15.1.0 to <* (fixed ≥ Hotfix-BIGIP-15.1.10.2.0.44.2-ENG.iso) 14.1.0 to <* (fixed ≥ Hotfix-BIGIP-14.1.5.6.0.10.6-ENG.iso) 13.1.0 to <* (fixed ≥ Hotfix-BIGIP-13.1.5.1.0.20.2-ENG.iso)

References

3 Links

Vendor advisories

https://my.f5.com/manage/s/article/K000137353

Other references

Record Details

Published

2023-10-26

Last updated

2025-10-21

Assigner (CNA)

Credited to

F5 acknowledges Thomas Hendrickson and Michael Weber of Praetorian Security, Inc. for bringing this issue to our attention and following the highest standards of coordinated disclosure.

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Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-288 · Authentication Bypass via Alternate Path

IAM Tools Application Security Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.