CVE-2024-34029 — MEDIUM (4.3)

Vulnerability Description

Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1 and 8.1.x <= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/<group-id>/channels/<channel-id>/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 8.1.0, < 8.1.13

Related Weaknesses (CWE)

CWE-200

References

https://mattermost.com/security-updatesVendor Advisory
https://mattermost.com/security-updatesVendor Advisory

FAQ

What is CVE-2024-34029?

CVE-2024-34029 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1 and 8.1.x <= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/<group-id>/channels/<channel-id>/link endpoint which allows a ...

How severe is CVE-2024-34029?

CVE-2024-34029 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-34029?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost Server.