CVE-2020-13355 Information

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14. A path traversal is found in LFS Upload that allows attacker to overwrite certain specific paths on the server. Affected versions are: >=8.14 <13.3.9>=13.4 <13.4.5>=13.5 <13.5.2.

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13355.json https://gitlab.com/gitlab-org/gitlab/-/issues/255886 https://hackerone.com/reports/990800

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1