Vulnerability Details CVE-2024-39274
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.8%
CVSS Severity
CVSS v3 Score 8.7
References
Products affected by CVE-2024-39274
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cpe:2.3:a:mattermost:mattermost:9.5.0
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cpe:2.3:a:mattermost:mattermost:9.5.1
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cpe:2.3:a:mattermost:mattermost:9.5.2
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cpe:2.3:a:mattermost:mattermost:9.5.3
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cpe:2.3:a:mattermost:mattermost:9.5.4
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cpe:2.3:a:mattermost:mattermost:9.5.5
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cpe:2.3:a:mattermost:mattermost:9.5.6
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cpe:2.3:a:mattermost:mattermost:9.7.0
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cpe:2.3:a:mattermost:mattermost:9.7.1
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cpe:2.3:a:mattermost:mattermost:9.7.2
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cpe:2.3:a:mattermost:mattermost:9.7.3
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cpe:2.3:a:mattermost:mattermost:9.7.4
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cpe:2.3:a:mattermost:mattermost:9.7.5
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cpe:2.3:a:mattermost:mattermost:9.8.0
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cpe:2.3:a:mattermost:mattermost:9.8.1
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cpe:2.3:a:mattermost:mattermost:9.9.0