Vulnerability Details : CVE-2021-39945

Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an author of a Merge Request to approve the Merge Request even after having their project access revoked
Published 2021-12-13 16:15:10
Updated 2021-12-15 17:21:54
Source GitLab Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-39945

EPSS FAQ
0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-39945

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
 MEDIUM AV:N/AC:L/Au:S/C:N/I:P/A:N
8.0
2.9
 NIST
2.7
 LOW CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
1.2
1.4
 GitLab Inc.
2.7
 LOW CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
1.2
1.4
 NIST

CWE ids for CVE-2021-39945

  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-39945

Products affected by CVE-2021-39945

  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 14.4.0 and before (<) 14.4.4
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
    Matching versions
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 9.4.0 and before (<) 14.3.6
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
    Matching versions
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 14.5.0 and before (<) 14.5.2
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
    Matching versions
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 14.4.0 and before (<) 14.4.4
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
    Matching versions
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 9.4.0 and before (<) 14.3.6
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
    Matching versions
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 14.5.0 and before (<) 14.5.2
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
    Matching versions
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