CVE-2021-4191 - CVE House
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Status published Medium CVE-2021-4191

An issue has been discovered in GitLab CE/EE affecting versions...

Vulnerability Description

An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Thanks @mungsul and @todb-r7 for reporting this vulnerability through our HackerOne bug bounty program.

References

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Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
>=14.8, <14.8.2, >=14.7, <14.7.4, >=13.0, <14.6.5

Timeline

Official Publish: March 28th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.