In all versions of GitLab CE/EE starting from 0.8.0 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 certain Unicode characters can be abused to commit malicious code into projects without being noticed in merge request or source code viewer UI.
Published 2022-04-01 23:15:10
Updated 2022-09-30 12:58:54
Source GitLab Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-39908

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-39908

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
2.8
3.6
GitLab Inc.
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.9
3.6
NIST

CWE ids for CVE-2021-39908

  • The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-39908

Products affected by CVE-2021-39908

  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 0.8.0 and before (<) 14.2.6
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 14.3.0 and before (<) 14.3.4
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 14.3.0 and before (<) 14.3.4
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 0.8.0 and before (<) 14.2.6
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Version: 14.4.0 Community Edition
    cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Version: 14.4.0 Enterprise Edition
    cpe:2.3:a:gitlab:gitlab:14.4.0:*:*:*:enterprise:*:*:*
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