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CVE-2023-46747: F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2023-46747
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: F5product: BIG-IP Configuration UtilityAuthentication bypassOther
What
The vulnerability allows an unauthenticated attacker to execute system commands through an authentication bypass.
Who is affected
Deployments of F5 BIG-IP Configuration Utility with network access through the management port.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patch provided by F5.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-10-31
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-46747

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-46747coverage & exploitation statusNVD · CVE.org

Recent advisories for F5 BIG-IP Configuration

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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