Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2023-5193
CVE-2023-5193:
Mattermost vulnerability analysis and mitigation
Overview
CVE-2023-5193 is a security vulnerability in Mattermost that was identified in 2023. The vulnerability stems from improper permission checking when retrieving posts, which allows a System Role with channel management permissions to read posts in Direct Message (DM) conversations (NVD, CVE).
Technical details
The vulnerability is classified as CWE-863 (Incorrect Authorization) and has received varying CVSS v3.1 severity ratings. The NVD assigned a Base Score of 2.7 (LOW) with vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N, while Mattermost, Inc. assessed it at 4.9 (MEDIUM) with vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N (NVD).
Impact
The vulnerability allows users with channel management permissions to access private Direct Message conversations they should not have access to, potentially exposing confidential communications between other users (NVD).
Mitigation and workarounds
Affected versions include Mattermost 7.0.0 through 7.8.10, 8.0.0 through 8.0.2, and 8.1.0 through 8.1.1. Users should upgrade to versions 7.8.10, 8.0.2, or 8.1.1 or later to address this vulnerability (NVD).
Additional resources
Source: This report was generated using AI
Related Mattermost vulnerabilities:
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