CVE-2021-23008
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
F5 Big-ip Access Policy Manager
PublishedMay 10, 2021
First seenMay 10, 2021
How to fix
Update
- f5 big-ip_access_policy_manager11.6.5, 12.1.5, 13.1.3, 14.1.3, 15.1.2, 16.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| f5 big-ip_access_policy_manager | 11.5.2 ≤ v < 11.6.5, 12.1.0 ≤ v < 12.1.5, 13.1.0 ≤ v < 13.1.3, 14.1.0 ≤ v < 14.1.3, 15.0.0 ≤ v < 15.1.2, 16.0.0 ≤ v < 16.0.1 | 11.6.5, 12.1.5, 13.1.3, 14.1.3, 15.1.2, 16.0.1 |
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