CVE-2024-42406

Unauthorized access on archived channels

State: Published
Severity: 5.4 Medium
Published: Sep 26, 2024
Updated: Sep 26, 2024
Reserved: Sep 23, 2024

Description

Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	Mattermost

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
MattermostMattermost	9.11.0Affected 9.10.0 through 9.10.1Affected 9.9.0 through 9.9.2Affected 9.5.0 through 9.5.8Affected 10.0.0Not affected 9.11.1Not affected 9.10.2Not affected 9.9.3Not affected 9.5.9Not affected

References

https://mattermost.com/security-updates

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