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Mattermost Server Improper Access Control

Moderate severity GitHub Reviewed Published Apr 5, 2024 to the GitHub Advisory Database • Updated Apr 10, 2024

Package

gomod github.com/mattermost/mattermost/server/v8 (Go)

Affected versions

>= 8.1.0, < 8.1.11
>= 9.5.0, < 9.5.2
>= 9.4.0, < 9.4.4
>= 9.3.0, < 9.3.3

Patched versions

8.1.11
9.5.2
9.4.4
9.3.3

Description

Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the /api/v4/users/me/teams endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the "Add Members" permission was explicitly removed from team admins.

References

Published by the National Vulnerability Database Apr 5, 2024
Published to the GitHub Advisory Database Apr 5, 2024
Reviewed Apr 5, 2024
Last updated Apr 10, 2024

Severity

Moderate
4.7
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Weaknesses

CVE ID

CVE-2024-29221

GHSA ID

GHSA-w67v-ph4x-f48q

Source code

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