#VU58753 Permissions, Privileges, and Access Controls in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39944

Vulnerability identifier: #VU58753

Vulnerability risk: Medium

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-39944

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 authenticated attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gitlab Community Edition: 11.0 - 14.5.1

GitLab Enterprise Edition: 11.0.0 - 14.5.1

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External links
https://about.gitlab.com/releases/2021/12/06/security-release-gitlab-14-5-2-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.