Vulnerability Details 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 endpoint which allows a user to learn the members of an 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 61.3%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2024-34029
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cpe:2.3:a:mattermost:mattermost_server:8.1.0
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cpe:2.3:a:mattermost:mattermost_server:8.1.1
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cpe:2.3:a:mattermost:mattermost_server:8.1.10
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cpe:2.3:a:mattermost:mattermost_server:8.1.11
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cpe:2.3:a:mattermost:mattermost_server:8.1.12
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cpe:2.3:a:mattermost:mattermost_server:8.1.2
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cpe:2.3:a:mattermost:mattermost_server:8.1.3
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cpe:2.3:a:mattermost:mattermost_server:8.1.4
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cpe:2.3:a:mattermost:mattermost_server:8.1.5
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cpe:2.3:a:mattermost:mattermost_server:8.1.6
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cpe:2.3:a:mattermost:mattermost_server:8.1.7
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cpe:2.3:a:mattermost:mattermost_server:8.1.8
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cpe:2.3:a:mattermost:mattermost_server:8.1.9
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cpe:2.3:a:mattermost:mattermost_server:9.5.0
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cpe:2.3:a:mattermost:mattermost_server:9.5.1
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cpe:2.3:a:mattermost:mattermost_server:9.5.2
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cpe:2.3:a:mattermost:mattermost_server:9.5.3
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cpe:2.3:a:mattermost:mattermost_server:9.7.0
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cpe:2.3:a:mattermost:mattermost_server:9.7.1