CVE-2024-39274

2024-08-0115:15:12

CWE-284

[email protected]

web.nvd.nist.gov

mattermost

shared channel

validation

issue

cve-2024-39274

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

0.001

Percentile

16.8%

JSON

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to properly validate that the channel that comes from the sync message is a shared channel, when shared channels are enabled, which allows a malicious remote to add users to arbitrary teams and channels

Affected configurations

Nvd

Node

mattermostmattermostRange9.5.0–9.5.7

mattermostmattermostRange9.7.0–9.7.6

mattermostmattermostRange9.8.0–9.8.2

mattermostmattermostMatch9.9.0

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