CISA KEV · Known exploitedCritical

CVE-2023-46747

F5 BIG-IP Configuration Utility

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
9.8
EPSS
96.5%
99.9% percentile
CISA KEV
Listed
Published
2023.10.27
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability96.5%
Technical severityCVSS 9.8

Vulnerability overview

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

Affected product and versions

Product
F5 BIG-IP Configuration Utility
Affected versions
17.1.0, 16.1.0, 15.1.0, 14.1.0, 13.1.0, >= 13.1.0 <= 13.1.5, >= 14.1.0 <= 14.1.5, >= 15.1.0 <= 15.1.10, >= 16.1.0 <= 16.1.4, >= 17.1.0 <= 17.1.1
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

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

Due date: 2023.11.21
  1. 1
    Identify

    Confirm that F5 BIG-IP Configuration Utility and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-288, CWE-306
KEV added
2023.10.31
Ransomware use
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CVE-2023-46747 — F5 BIG-IP Configuration Utility | SECUFOCUS NOW