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osvGoogleOSV:GHSA-R833-W756-H5P2
HistoryFeb 09, 2024 - 3:31 p.m.

Mattermost fails to check the required permissions

2024-02-0915:31:27
Google
osv.dev
6
mattermost
permission check
api
channel member counts

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7

Confidence

Low

EPSS

0

Percentile

14.0%

Mattermost fails to check the required permissions in theΒ POST /api/v4/channels/stats/member_count API resulting inΒ channel member counts being leaked to a user without permissions.

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7

Confidence

Low

EPSS

0

Percentile

14.0%

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