CVE-2021-39871 Information

Description

In all versions of GitLab CE/EE since version 13.0 an instance that has the setting to disable Bitbucket Server import enabled is bypassed by an attacker making a crafted 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/cves/-/blob/master/2021/CVE-2021-39871.json https://hackerone.com/reports/630263 https://gitlab.com/gitlab-org/gitlab/-/issues/340782

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