CVE-2025-21083: Insufficient Input Validation on Post Props
First published: Wed Jan 15 2025(Updated: )
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.
Credit: responsibledisclosure@mattermost.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost Mobile Apps | <=2.22.0 |
Remedy
Update Mattermost Mobile Apps to versions 2.23.0 or higher.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21083?
The severity of CVE-2025-21083 is classified as moderate due to the potential for app crashes caused by malicious posts.
How do I fix CVE-2025-21083?
To fix CVE-2025-21083, upgrade to Mattermost Mobile Apps version 2.22.1 or later.
Who is affected by CVE-2025-21083?
CVE-2025-21083 affects users of Mattermost Mobile Apps versions up to and including 2.22.0.
What type of attack does CVE-2025-21083 enable?
CVE-2025-21083 enables authenticated users to crash the mobile app by sending a malicious post.
Is CVE-2025-21083 a remote or local vulnerability?
CVE-2025-21083 is considered a local vulnerability as it requires authenticated access to the Mattermost Mobile Apps.
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