Bookmark Update Vulnerability in Mattermost by Mattermost Inc.
CVE-2025-24920

4.3MEDIUM

Key Information:

Vendor

Mattermost
Status
Mattermost
Vendor
CVE Published:
21 March 2025

What is CVE-2025-24920?

Mattermost versions 10.4.x, 10.3.x, 9.11.x, and 10.5.x exhibit an access control vulnerability that fails to adequately restrict the creation and updating of bookmarks in archived channels. This flaw may allow authenticated users to exploit the system by creating or modifying bookmarks within channels that have been archived, leading to potential unauthorized access to sensitive information.

Affected Version(s)

Mattermost 10.4.0 <= 10.4.2

Mattermost 10.3.0 <= 10.3.3

Mattermost 9.11.0 <= 9.11.8

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Caleb Roseland
.