CVE-2021-23008
CVSS V2 High 7.5
CVSS V3 Critical 9.8
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.
Overview
- CVE ID
- CVE-2021-23008
- Assigner
- f5sirt@f5.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-10T14:15:07
- Last Modified Date
- 2021-05-19T18:20:25
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 11.5.2 | 11.6.5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 12.1.0 | 12.1.5 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 13.1.0 | 13.1.3 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 14.1.0 | 14.1.3 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 15.0.0 | 15.1.2 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://support.f5.com/csp/article/K51213246 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-23008 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23008 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:15:34 | Added to TrackCVE | |||
| 2022-12-05 01:54:07 | 2021-05-10T14:15Z | 2021-05-10T14:15:07 | CVE Published Date | updated |
| 2022-12-05 01:54:07 | 2021-05-19T18:20:25 | CVE Modified Date | updated | |
| 2022-12-05 01:54:07 | Analyzed | Vulnerability Status | updated |