CVE-2020-13272 Information

Description

OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13272.json https://gitlab.com/gitlab-org/gitlab/-/issues/37038 https://hackerone.com/reports/743556

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8