CVE-2021-23008

Published: May 10, 2021Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

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 (6)

Products: F5: Big Ip Access Policy Manager

1 product

Big Ip Access Policy Manager

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
F5 Big Ip Access Policy Manager	11.5.2 ≤ version < 11.6.5
F5 Big Ip Access Policy Manager	12.1.0 ≤ version < 12.1.5
F5 Big Ip Access Policy Manager	13.1.0 ≤ version < 13.1.3
F5 Big Ip Access Policy Manager	14.1.0 ≤ version < 14.1.3
F5 Big Ip Access Policy Manager	15.0.0 ≤ version < 15.1.2
F5 Big Ip Access Policy Manager	16.0.0 ≤ version < 16.0.1

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (2)

https://support.f5.com/csp/article/K51213246

Source: f5sirt@f5.com

Vendor Advisory

https://support.f5.com/csp/article/K51213246

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.