CVE-2023-6202Medium· 4.3▾ SunlitMattermost Improper Access Control vulnerability
▾ Sunlit zone — Low / medium · no exploitation signal
impact 23.7 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.4%
Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
github.com/mattermost/mattermost/server/v8 >= 9.1.0, < 9.1.1github.com/mattermost/mattermost/server/v8 >= 9.0.0, < 9.0.2github.com/mattermost/mattermost/server/v8 < 8.1.4github.com/mattermost/mattermost-server/v6 < 7.8.13Upgrade to a patched release:
github.com/mattermost/mattermost/server/v8 9.1.1github.com/mattermost/mattermost/server/v8 9.0.2github.com/mattermost/mattermost/server/v8 8.1.4github.com/mattermost/mattermost-server/v6 7.8.13Connected by shared product, vendor, weakness, or advisory.
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