CVE-2025-21083 - CVE House
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Status published Medium CVE-2025-21083

Insufficient Input Validation on Post Props

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • c0rydoras (c0rydoras)

References

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Affected Vendor

Affected Software

Mattermost
Vulnerable Versions:
0, 2.23.0

Timeline

Official Publish: January 15th, 2025
Last Modified: January 15th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-1287

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.