Business Logic Errors in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39866
Published: October 4, 2021
Vulnerability identifier: #VU57019
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-39866
CWE-ID: CWE-840
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a business logic error in the project deletion process. A remote authenticated attacker can use persistent access via project access tokens.
How to mitigate CVE-2021-39866
Install updates from vendor's website.