Main Vulnerability Database Vulnerabilities #VU57021

Input validation error in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39893

Published: October 4, 2021

Vulnerability identifier: #VU57021

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-39893

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2021-39893

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 14.1.7, 14.2.5, 14.3.1
GitLab Enterprise Edition - addressed in versions 14.1.7, 14.2.5, 14.3.1

External References

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

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