CVE-2024-4198

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.

Reserved 2024-04-25 | Published 2024-04-26 | Updated 2024-08-01 | Assigner Mattermost

Problem types

CWE-284: Improper Access Control

Product status

Default status
unaffected

9.6.0
affected

9.5.0
affected

8.1.0
affected

9.7.0
unaffected

9.6.1
unaffected

9.5.3
unaffected

8.1.12
unaffected

Credits

Juho Nurminen finder

References

mattermost.com/security-updates

cve.org (CVE-2024-4198)

nvd.nist.gov (CVE-2024-4198)

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