Mattermost Server 9.5.x before 9.5.2 Imp AccControl on /api/v4/users/me/teams
CVE-2024-29221 Published on April 5, 2024
Invite ID available to team admins even without the "Add Members" permission
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.
Vulnerability Analysis
CVE-2024-29221 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2024-29221 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2024-29221
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Affected Versions
Mattermost:- Version 9.5.0, <= 9.5.1 is affected.
- Version 9.4.0, <= 9.4.3 is affected.
- Version 9.3.0, <= 9.3.2 is affected.
- Version 8.1.0, <= 8.1.10 is affected.
- Version 9.6.0 is unaffected.
- Version 9.5.2 is unaffected.
- Version 9.4.4 is unaffected.
- Version 9.3.3 is unaffected.
- Version 8.1.11 is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.