CVE-2020-13300 Information

Description

GitLab before version 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json https://gitlab.com/gitlab-org/gitlab/-/issues/219931 https://hackerone.com/reports/884766

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

10.0