CVE-2023-2281

Archiving a team broadcasts unsanitized data over WebSockets

Description

When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. This allows the clients to see the name, display name, description, and other data about the archived team.

Remediation

Solution:

  • Update Mattermost to version v7.9 or higher.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.32%
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-2023-2281?
CVE-2023-2281 has been scored as a low severity vulnerability.
How to fix CVE-2023-2281?
To fix CVE-2023-2281: Update Mattermost to version v7.9 or higher.
Is CVE-2023-2281 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-2281 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-2023-2281?
CVE-2023-2281 affects Mattermost Mattermost.
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