Vulnerability Details CVE-2024-36257
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.2%
CVSS Severity
CVSS v3 Score 2.7
Products affected by CVE-2024-36257
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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:9.8.0