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Status published
Low
CVE-2024-4198
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12...
Vulnerability Description
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes which allows an attacker authenticated as team admin to demote users to guest via crafted HTTP requests.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Juho Nurminen
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
9.6.0, 9.5.0, 8.1.0, 9.7.0, 9.6.1, 9.5.3, 8.1.12
Timeline
Official Publish:
April 26th, 2024
Last Modified:
August 1st, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N