CVE-2024-29977

2024-08-0115:15:11

CWE-284

[email protected]

web.nvd.nist.gov

mattermost

version validation

synced reactions

shared channels

malicious remote

arbitrary reactions

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

Percentile

14.7%

JSON

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

Affected configurations

Nvd

Node

mattermostmattermostRange9.5.0–9.5.7

mattermostmattermostMatch9.9.0

VendorProductVersionCPE
mattermostmattermost*cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermostmattermost9.9.0cpe:2.3:a:mattermost:mattermost:9.9.0:*:*:*:*:*:*:*