Channel Creation Vulnerability in Mattermost by Mattermost
CVE-2024-39837

5.4MEDIUM

Key Information:

Vendor
Mattermost
Status
Mattermost Server
Vendor
CVE Published:
1 August 2024

Summary

Mattermost versions 9.9.x up to and including 9.9.0 and 9.5.x up to and including 9.5.6 exhibit a flaw in the management of channel permissions. This vulnerability allows an unauthorized remote attacker to create arbitrary channels when shared channels are enabled, potentially leading to information disclosure and misuse of the platform. Organizations using these versions are advised to implement immediate corrective actions by updating to the latest secure versions and reviewing their channel sharing settings.

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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