All vulnerabilities
CVE-2023-46747

F5 BIG-IP Configuration Utility Authentication Bypass Vulnerability

F5 BIG-IP Configuration UtilityNetwork & edge
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 31 Oct 2023. Known ransomware useCISA KEV
Exploit odds (EPSS)96.5%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline21 Nov 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 26 Oct 2023Exploit code publicMetasploit
  2. 26 Oct 2023, 20:04 UTCPublishedCVE List
  3. 31 Oct 2023Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleF5 BIG-IP TMUI AJP Smuggling RCE 26 Oct 2023Metasploit
  • Scanner templateF5 BIG-IP - Unauthenticated RCE via AJP SmugglingNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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.

Text from CVE List

Affected versions 5

  • BIG-IPaffected: 17.1.0 and laterCVE List
  • BIG-IPaffected: 16.1.0 and laterCVE List
  • BIG-IPaffected: 15.1.0 and laterCVE List
  • BIG-IPaffected: 14.1.0 and laterCVE List
  • BIG-IPaffected: 13.1.0 and laterCVE List

References 4