CVE-2022-2408

Guest accounts can list all public channels

State: Published
Severity: 4.3 Medium
Published: Jul 14, 2022
Updated: Dec 6, 2024
Reserved: Jul 14, 2022

Description

The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	Mattermost

Weaknesses

CWE-200 Information Exposure

Affected Products

Product	Versions
MattermostMattermost	6.3.8 and earlierAffected 6.4.xAffected 6.7.x 6.7.0Affected 6.5.x through 6.5.1Affected 6.6.x through 6.6.1Affected

References

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

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