CVE Vulnerability

CVE-2021-39889

In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://hackerone.com/reports/1294017 Permissions Required Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/338062 Broken Link
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39889.json Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Information

Published : 2021-10-05 02:15

Updated : 2022-05-03 04:04

NVD link : CVE-2021-39889

Mitre link : CVE-2021-39889

Products Affected
No products.
CWE
CWE-639