Post Prop Validation Flaw in Mattermost by Mattermost, Inc.
CVE-2025-20088

6.5MEDIUM

Key Information:

Vendor
Mattermost
Status
Mattermost
Vendor
CVE Published:
15 January 2025

Summary

A vulnerability exists in Mattermost versions 10.2.x, 9.11.x, 10.0.x, and 10.1.x, where the application does not adequately validate post properties. This flaw can be exploited by an authenticated malicious user to craft a malicious post, which may lead to an application crash, impacting the availability of the service.

Affected Version(s)

Mattermost 10.2.0

Mattermost 9.11.0 <= 9.11.5

Mattermost 10.0.0 <= 10.0.3

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

c0rydoras (c0rydoras)
.