CVEvulnerability
CVE-2021-39889
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-10-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:P/I:N/A:N
- Weaknesses
- CWE-639
Description
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.
Affected configurations
• gitlab gitlab (>= 14.1.0 < 14.1.7)
• gitlab gitlab (>= 14.2.0 < 14.2.5)
• gitlab gitlab (>= 14.3.0 < 14.3.1)
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/338062 Broken Link
- https://hackerone.com/reports/1294017 Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/338062 Broken Link
- https://hackerone.com/reports/1294017 Permissions Required, Third Party Advisory