CVE-2024-34029

Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1 and 8.1.x <= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/<group-id>/channels/<channel-id>/link endpointwhich allows a userto learn the members ofan AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
MattermostCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA-ADPADP
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 31%
VendorProductVersion
mattermostmattermost
9.5.3 ≤
𝑥
≤ 9.5.3
mattermostmattermost
9.7.1 ≤
𝑥
≤ 9.7.1
mattermostmattermost
8.1.12 ≤
𝑥
≤ 8.1.12
𝑥
= Vulnerable software versions