An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load.
Published 2023-08-02 01:15:10
Updated 2023-08-04 19:20:39
Source GitLab Inc.
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2023-3900

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 14 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2023-3900

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
2.8
1.4
GitLab Inc.
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2023-3900

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: cve@gitlab.com (Secondary)

References for CVE-2023-3900

Products affected by CVE-2023-3900

  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 16.2 and before (<) 16.2.2
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 16.1 and before (<) 16.1.3
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Community Edition
    Versions from including (>=) 16.2 and before (<) 16.2.2
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
  • Gitlab » Gitlab » Enterprise Edition
    Versions from including (>=) 16.1 and before (<) 16.1.3
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
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