CVE-2024-4198

published 2024-04-26

CVE-2024-4198: 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…

Priority P4 12 low 2.7 CVSS 3.1

AV N AC L PR H UI N S U C N I L A N

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.

Affected

12 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-server	>= 8.1.0 < 8.1.12	8.1.12
github.com	mattermost_mattermost-server	>= 8.1.0+incompatible < 8.1.12+incompatible	8.1.12+incompatible
github.com	mattermost_mattermost-server	>= 9.5.0 < 9.5.3	9.5.3
github.com	mattermost_mattermost-server	>= 9.5.0+incompatible < 9.5.3+incompatible	9.5.3+incompatible
github.com	mattermost_mattermost-server	>= 9.6.0-rc1 < 9.6.1	9.6.1
github.com	mattermost_mattermost-server	>= 9.6.0-rc1+incompatible < 9.6.1+incompatible	9.6.1+incompatible
mattermost	mattermost	—	—
mattermost	mattermost	8.1.0 – 8.1.11	—
mattermost	mattermost	9.5.0 – 9.5.2	—
mattermost	mattermost_server	—	—
mattermost	mattermost_server	>= 8.1.0 < 8.1.12	8.1.12
mattermost	mattermost_server	>= 9.5.0 < 9.5.3	9.5.3

CVSS provenance

nvd v3.1 2.7 LOW CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

vendor_redhat 2.7 LOW

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-284