Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.
Published 2024-01-12 14:15:49
Updated 2024-01-18 21:17:30
Source GitLab Inc.
View at NVD,   CVE.org

Products affected by CVE-2023-5356

Exploit prediction scoring system (EPSS) score for CVE-2023-5356

0.15%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-5356

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.3
HIGH CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
1.0
5.8
GitLab Inc. 2024-01-16
9.6
CRITICAL CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
3.1
5.8
GitLab Inc. 2024-01-12
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
NIST 2024-01-18

CWE ids for CVE-2023-5356

  • 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.
    Assigned by:
    • cve@gitlab.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2023-5356

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