Spoofing attack in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39873
Published: October 5, 2021
Vulnerability identifier: #VU57046
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-39873
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can spoof page content.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
GitLab Enterprise Edition
How to mitigate CVE-2021-39873
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
GitLab Enterprise Edition - addressed in versions 14.1.7, 14.2.5, 14.3.1