CVE-2024-29977

Malicious remote can create arbitrary reactions on arbitrary posts

State: Published
Severity: 2.7 Low
Published: Aug 1, 2024
Updated: Aug 1, 2024
Reserved: Jul 23, 2024

Description

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts

Scores

CVSS	Score	Vector	Source
3.1	2.7 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N	Mattermost

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
MattermostMattermost	9.9.0Affected 9.5.0 through 9.5.6Affected 9.10.0Not affected 9.9.1Not affected 9.5.7Not affected

References

https://mattermost.com/security-updates

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