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githubGitHub Advisory DatabaseGHSA-R833-W756-H5P2
HistoryFeb 09, 2024 - 3:31 p.m.

Mattermost fails to check the required permissions

2024-02-0915:31:27
CWE-284
GitHub Advisory Database
github.com
4
mattermost
permissions
api
channel
security

4.3 Medium

CVSS3

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

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

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.

Affected configurations

Vulners
Node
github.com\/mattermost\/mattermostserverRange<9.3.0
OR
github.com\/mattermost\/mattermostserverRange<8.1.8

4.3 Medium

CVSS3

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

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.0%

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