Vulnerability DatabaseCVE-2021-39937
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CVE-2021-39937
Published:December 13, 2021
Updated:May 25, 2026
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
Related Resources (3)
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39937
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json
https://gitlab.com/gitlab-org/gitlab/-/issues/336802
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CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Privilege Management
CWE-269
EPSS
Base Score:
0.15