CVEvulnerability
CVE-2021-23008
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-05-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-287
Description
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. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected configurations
• f5 big-ip access policy manager (>= 11.5.2 < 11.6.5)
• f5 big-ip access policy manager (>= 12.1.0 < 12.1.5)
• f5 big-ip access policy manager (>= 13.1.0 < 13.1.3)
• f5 big-ip access policy manager (>= 14.1.0 < 14.1.3)
• f5 big-ip access policy manager (>= 15.0.0 < 15.1.2)
• f5 big-ip access policy manager (>= 16.0.0 < 16.0.1)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://support.f5.com/csp/article/K51213246 Vendor Advisory
- https://support.f5.com/csp/article/K51213246 Vendor Advisory