CVE-2023-6202

Insecure Direct Object Reference in /plugins/focalboard/ api/v2/users of Mattermost Boards

Description

Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.

Remediation

Solution:

  • Update Mattermost Server to versions 9.0.2, 9.1.1, 7.8.13, 8.1.4 or higher.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-6202?
CVE-2023-6202 has been scored as a medium severity vulnerability.
How to fix CVE-2023-6202?
To fix CVE-2023-6202: Update Mattermost Server to versions 9.0.2, 9.1.1, 7.8.13, 8.1.4 or higher.
Is CVE-2023-6202 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-6202 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6202?
CVE-2023-6202 affects Mattermost Mattermost.
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