In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.
Published 2021-10-04 17:15:08
Updated 2021-10-12 19:58:06
Source GitLab Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-39873

Probability of exploitation activity in the next 30 days: 0.09%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 39 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-39873

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
NIST
4.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
2.8
1.4
GitLab Inc.
4.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
2.8
1.4
NIST

References for CVE-2021-39873

Products affected by CVE-2021-39873

  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 1.0.0 and before (<) 14.1.7
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 1.0.0 and before (<) 14.1.7
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 14.2.0 and before (<) 14.2.5
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 14.2.0 and before (<) 14.2.5
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • Gitlab » Gitlab » Version: 4.3.0 Community Edition
    cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Version: 4.3.0 Enterprise Edition
    cpe:2.3:a:gitlab:gitlab:4.3.0:*:*:*:enterprise:*:*:*
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