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MEDIUM · 6.5

CVE-2025-21083

Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.

Vulnerability Description

Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MattermostMattermost Mobile< 2.23.0

Related Weaknesses (CWE)

CWE-1287

References

FAQ

What is CVE-2025-21083?

CVE-2025-21083 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Mattermost Mobile Apps versions <=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.

How severe is CVE-2025-21083?

CVE-2025-21083 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-21083?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost Mobile.