CVE-2021-23008
Published May 10, 2021
Last updated 3 years ago
Overview
- 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.
- Source
- f5sirt@f5.com
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-287
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F41A64A3-408C-4831-8226-DA4E6546FE1F",
"versionEndExcluding": "11.6.5",
"versionStartIncluding": "11.5.2"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9264B296-3445-4B9F-927D-7865BF3D8AF6",
"versionEndExcluding": "12.1.5",
"versionStartIncluding": "12.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "77A8EFA2-50FD-4187-A6F2-7E05A10585E5",
"versionEndExcluding": "13.1.3",
"versionStartIncluding": "13.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5B8964C4-8173-4AAE-9BDD-6E9E60E3D1B2",
"versionEndExcluding": "14.1.3",
"versionStartIncluding": "14.1.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5AC29EF0-7E85-4BB1-A183-D03FC53868ED",
"versionEndExcluding": "15.1.2",
"versionStartIncluding": "15.0.0"
},
{
"criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3F3F98DD-C142-4030-AD11-A3129D5FFEA9",
"versionEndExcluding": "16.0.1",
"versionStartIncluding": "16.0.0"
}
],
"operator": "OR"
}
]
}
]