Mattermost Versions Vulnerable to JSON Parsing Errors
CVE-2024-4182

4.3MEDIUM

Key Information:

Vendor

Mattermost
Status
Mattermost Server
Vendor
CVE Published:
26 April 2024

What is CVE-2024-4182?

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.

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References

https://mattermost.com/security-updates

CVSS V3.1

Score:
4.3
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

JSON
.