Vulnerability identifier: #VU57051

Vulnerability risk: Low

CVSSv3.1: 2.3 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-39886

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gitlab Community Edition
Universal components / Libraries / Software for developers
GitLab Enterprise Edition
Universal components / Libraries / Software for developers

Vendor: GitLab, Inc

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to the permissions rules were not applied while issues were moved between projects of the same group. A remote authenticated attacker can read confidential Epic references.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 10.6 - 14.1.6

GitLab Enterprise Edition: 10.6.0 - 14.1.6

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External links
http://about.gitlab.com/releases/2021/09/30/security-release-gitlab-14-3-1-released/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.