CVE-2021-39876 Information

Description

In all versions of GitLab CE/EE since version 11.3 the endpoint for auto-completing Assignee discloses the members of private groups.

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/gitlab/-/issues/29683 https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39876.json https://hackerone.com/reports/627507

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

4.3