An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.
Published 2021-04-02 17:15:13
Updated 2024-08-21 14:07:33
Source GitLab Inc.
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2021-22196

  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 13.4.0 and before (<) 13.8.7
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 13.10.0 and before (<) 13.10.1
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 13.10.0 and before (<) 13.10.1
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 13.4.0 and before (<) 13.8.7
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 13.9.0 and before (<) 13.9.5
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 13.9.0 and before (<) 13.9.5
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

Exploit prediction scoring system (EPSS) score for CVE-2021-22196

0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-22196

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
6.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
2.1
4.2
GitLab Inc.
5.4
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
2.3
2.7
NIST

CWE ids for CVE-2021-22196

References for CVE-2021-22196

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