CVE-2024-1887

Public channel post content accessible without membership when compliance export is enabled

Description

Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export. 

Remediation

Solution:

  • Update Mattermost Server to versions 9.4,0, 9.3.1, 9.2.5, 8.1.9 or higher.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
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-2024-1887?
CVE-2024-1887 has been scored as a medium severity vulnerability.
How to fix CVE-2024-1887?
To fix CVE-2024-1887: Update Mattermost Server to versions 9.4,0, 9.3.1, 9.2.5, 8.1.9 or higher.
Is CVE-2024-1887 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-1887 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-2024-1887?
CVE-2024-1887 affects Mattermost Mattermost.
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