CVE-2024-29977 LOW

CVE-2024-29977: Malicious remote can create arbitrary reactions on arbitrary posts

Vendor Mattermost
Product Mattermost
Weakness CWE-284
Published August 1, 2024
Last update August 1, 2024

CVSS base score

2.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

August 1, 2024 CVE published
August 1, 2024 Record updated