CVE-2021-39938 Information

Description

A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6 all versions starting from 14.4 before 14.4.4 all versions starting from 14.5 before 14.5.2 allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands

CVSS Vector

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

Reference

https://gitlab.com/gitlab-org/gitlab/-/issues/344873 https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5