Vulnerability Intelligence Report
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. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:1.33%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| f5 | big-ip_access_policy_manager | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.326%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | F5, Inc. · Vendor · USA |
| Reserved | 2021-01-06T00:00:00 |
| Published | 2021-05-10T13:13:35 |
| Last Updated | 2024-08-03T18:58:26 |
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