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Vulnerability DatabaseCVE-2025-20072

CVE-2025-20072: 
Mattermost vulnerability analysis and mitigation

Overview

Mattermost Mobile versions <= 2.22.0 contains a vulnerability where the application fails to properly validate the style of proto supplied to an action's style in post.props.attachments. This vulnerability was discovered and disclosed on December 16, 2024, and affects all Mattermost Mobile versions up to and including version 2.22.0 (Mattermost Security, NVD).

Technical details

The vulnerability is classified with CWE-754 (Improper Check for Unusual or Exceptional Conditions) and has been assigned a CVSS v3.1 score of 6.5 MEDIUM. The issue stems from insufficient validation of the style proto parameter in the post.props.attachments functionality (NVD).

Impact

When exploited, this vulnerability allows an attacker to crash the mobile application via crafted malicious input, resulting in a denial of service condition for affected users (Mattermost Security).

Mitigation and workarounds

The vulnerability has been fixed in Mattermost Mobile version 2.23.0. Users are advised to upgrade to this version or later to mitigate the security risk. No workarounds have been published for users who cannot immediately upgrade (Mattermost Security).

Additional resources

Source: This report was generated using AI

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