Resource exhaustion in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39938
Published: December 9, 2021
Vulnerability identifier: #VU58783
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-39938
CWE-ID: CWE-400
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 application does not properly control consumption of internal resources within deploy Slash commands. A remote authenticated attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
Arch Linux
GitLab Enterprise Edition
Arch Linux
How to mitigate CVE-2021-39938
Install updates from vendor's website.
Gitlab Community Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2
GitLab Enterprise Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2
GitLab Enterprise Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2