CVE-2021-39943 Information

Description

An authorization logic error in the External Status Check API in GitLab EE affecting all versions starting from 14.1 before 14.3.6 all versions starting from 14.4 before 14.4.4 all versions starting from 14.5 before 14.5.2 allowed a user to update the status of the check via an API call

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/gitlab/-/issues/343604 https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39943.json https://hackerone.com/reports/1375393

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3