CVE-2024-23488

Files of archived channels accessible with the “Allow users to view archived channels” option disabled

Description

Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.

Remediation

Solution:

  • Update Mattermost Server to versions 9.5.0, 9.4.2, 8.1.9 or higher.

Category

3.1
CVSS
Severity: Low
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-2024-23488?
CVE-2024-23488 has been scored as a low severity vulnerability.
How to fix CVE-2024-23488?
To fix CVE-2024-23488: Update Mattermost Server to versions 9.5.0, 9.4.2, 8.1.9 or higher.
Is CVE-2024-23488 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-23488 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-2024-23488?
CVE-2024-23488 affects Mattermost Mattermost.
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