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 to demote users to guest via crafted HTTP requests.

ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.7 LOW
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
MattermostCNA
2.7 LOW
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CISA-ADPADP
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
mattermostmattermost_server
8.1.0 ≤
𝑥
< 8.1.12
mattermostmattermost_server
9.5.0 ≤
𝑥
< 9.5.3
mattermostmattermost_server
9.6.0
mattermostmattermost_server
9.6.0:rc1
mattermostmattermost_server
9.6.0:rc2
mattermostmattermost_server
9.6.0:rc3
𝑥
= Vulnerable software versions