Malicious remote can create/update/delete arbitrary posts in arbitrary channels
CVE-2024-41144

7.1HIGH

Key Information:

Vendor
Mattermost
Status
Mattermost
Vendor
CVE Published:
1 August 2024

Summary

A vulnerability has been identified in Mattermost that impacts versions 9.9.x, 9.5.x, 9.7.x, and 9.8.x where the application does not appropriately validate synced posts when shared channels are enabled. This flaw allows an attacker to create, update, or delete posts in arbitrary channels, breaching the expected security protocol and potentially leading to unauthorized access and data manipulation.

Affected Version(s)

Mattermost 9.9.0

Mattermost 9.5.0 <= 9.5.6

Mattermost 9.7.0 <= 9.7.5

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

Credit

Juho Forsén
.