CVE-2021-39915

MEDIUM

Gitlab < 14.3.6 - Exposure to Wrong Actor

Title source: rule

Description

Improper access control in the GraphQL API in GitLab CE/EE affecting all versions starting from 13.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to see the names of project access tokens on arbitrary projects

References (3)

[Vendor Advisory] https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39915.json

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/340803

[Permissions Required, Third Party Advisory] https://hackerone.com/reports/1336059

Scores

CVSS v3 5.3

EPSS 0.0027

EPSS Percentile 50.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Classification

CWE

CWE-668

Status published

Affected Products (2)

gitlab/gitlab < 14.3.6

gitlab/gitlab < 14.3.6

Timeline

Published Dec 13, 2021

Tracked Since Feb 18, 2026