CVE-2021-23008 — Improper Authentication in F5 Big-ip Access Policy Manager

CWE-287 — Improper Authentication4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.6%
top 30.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
F5 Big-ip Access Policy ManagerF5 Big-ip APM
Timeline
PublishedMay 10
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDf5/big-ip_access_policy_manager11.5.2 — 11.6.5+5
▶CVEListV5f5/big-ip_apm15.1.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.

🔴Vulnerability Details

2
GHSA
GHSA-mvmv-3mv8-37fq: On version 15↗2022-05-24
▶
CVEList
CVE-2021-23008: On version 15↗2021-05-10
▶

📋Vendor Advisories

1
F5
CVE-2021-23008: On version 15↗2021-05-10
▶
CVE-2021-23008 — Improper Authentication in F5 | cvebase