CVE-2025-20036: 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 | <=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-2025-20036?
CVE-2025-20036 is considered a medium severity vulnerability due to its potential to cause application crashes.
How do I fix CVE-2025-20036?
To fix CVE-2025-20036, update to Mattermost Mobile Apps version 2.22.1 or later.
What impact does CVE-2025-20036 have on Mattermost Mobile Apps?
CVE-2025-20036 allows a malicious authenticated user to cause the Mattermost Mobile Apps to crash via specially crafted posts.
Who is affected by CVE-2025-20036?
CVE-2025-20036 impacts all users running Mattermost Mobile Apps versions 2.22.0 and earlier.
Is there a workaround for CVE-2025-20036?
As a workaround for CVE-2025-20036, it is recommended to restrict post permissions for unauthenticated users until the software can be updated.
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