References to Advisories, Solutions, and Tools

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Known Affected Software Configurations Switch to CPE 2.2

Change History

OR
     *cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* versions from (including) 9.5.0 up to (excluding) 9.5.7
     *cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* versions from (including) 9.7.0 up to (excluding) 9.7.6
     *cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* versions from (including) 9.8.0 up to (excluding) 9.8.2
     *cpe:2.3:a:mattermost:mattermost_server:9.9.0:*:*:*:*:*:*:*

NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NIST NVD-CWE-noinfo

https://mattermost.com/security-updates No Types Assigned

https://mattermost.com/security-updates Vendor Advisory

Mattermost, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Mattermost, Inc. CWE-284

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.

Mattermost, Inc. https://mattermost.com/security-updates [No types assigned]