Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-39937

Severity CVSS v4.0:
Pending analysis
Type:
CWE-269 Improper Privilege Management
Publication date:
13/12/2021
Last modified:
15/12/2021

Description

A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.50
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 14.3.6 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 14.3.6 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 14.4.0 (including) 14.4.4 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 14.4.0 (including) 14.4.4 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* 14.5.0 (including) 14.5.2 (excluding)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* 14.5.0 (including) 14.5.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools