All vulnerabilities

Servers and applications

CVE-2021-23008

On version 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and all versions of 16.0.x and 11.6.x., BIG-IP APM AD (Active Directory) authentication can be bypassed via a spoofed AS-REP (Kerberos Authentication Service Response) response sent over a hijacked KDC (Kerberos Key Distribution Center) connection or from an AD server compromised by an attacker.…

Severity
Critical 9.8
Published
10 May 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
11.6.5, 12.1.5, 13.1.3, 14.1.3, 15.1.2, 16.0.1
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.5.2 before 11.6.5
  • From 12.1.0 before 12.1.5
  • From 13.1.0 before 13.1.3
  • From 14.1.0 before 14.1.3
  • From 15.0.0 before 15.1.2
  • From 16.0.0 before 16.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-23008
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-23008