CVE-2024-24776

Incorrect Authorization leads to Channel Member Count Leak

Description

Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.

Remediation

Solution:

  • Update Mattermost Server to versions 8.1.8, 9.4.0 or higher.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.09%
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-2024-24776?
CVE-2024-24776 has been scored as a low severity vulnerability.
How to fix CVE-2024-24776?
To fix CVE-2024-24776: Update Mattermost Server to versions 8.1.8, 9.4.0 or higher.
Is CVE-2024-24776 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-24776 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-2024-24776?
CVE-2024-24776 affects Mattermost Mattermost.
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