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Vulnerabilities

Vulnerability · CVE-2023-46747

F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability

Published Oct 26, 2023 · catalog updated Jun 16, 2026 · F5 BIG-IP Configuration Utility

Patch now

CVE-2023-46747 is in the CISA known-exploited catalog, due Nov 21, 2023. Confirm F5 BIG-IP Configuration Utility against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
96.52%
Remediation
Remediation guidance
Affected products
cpe f5/big-ip access policy manager · cpe f5/big-ip advanced firewall manager · cpe f5/big-ip advanced web application firewall · cpe f5/big-ip carrier-grade nat · cpe f5/big-ip ddos hybrid defender · cpe f5/big-ip ssl orchestrator

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. VulnCheck canary evidence. Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe f5/big-ip access policy managerversion unspecified
  • cpe f5/big-ip advanced firewall managerversion unspecified
  • cpe f5/big-ip advanced web application firewallversion unspecified
  • cpe f5/big-ip carrier-grade natversion unspecified
  • cpe f5/big-ip ddos hybrid defenderversion unspecified
  • cpe f5/big-ip ssl orchestratorversion unspecified
  • vendor F5 BIG-IP Configuration Utilityversion unspecified

How to fix CVE-2023-46747

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-46747 is in the CISA known-exploited catalog, due Nov 21, 2023. Confirm F5 BIG-IP Configuration Utility against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-288; CWE-306: Missing Authentication for Critical Function. EPSS 96.52%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 26, 2023 · Catalog

    Detected

    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.

  2. Oct 31, 2023 · CISA KEV

    Known exploited

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

  3. Nov 21, 2023 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2023-46747

    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.gov
  • CVE.orgVulnerability recordCVE-2023-46747

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-46747

    30-day exploitation probability 96.5%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/f5_bigip_tmui_rce_cve_2023_46747

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2023-46747

    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 Techni

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/175673/F5-BIG-IP-TMUI-AJP-Smuggling-Remote-Command-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2023-46747

    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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.