CVE-2021-39889
MEDIUMGitLab 14.1.0-14.1.7 - Authorization Bypass via Protected Branch ID
Title source: llmDescription
In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.
References (3)
Core 3
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/338062
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1294017
Vendor Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json
Scores
CVSS v3
4.3
EPSS
0.0081
EPSS Percentile
52.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-639
Status
published
Products (1)
gitlab/gitlab
14.1.0 - 14.1.7
Published
Oct 05, 2021
Tracked Since
Feb 18, 2026