Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2023-2783
CVE-2023-2783:
Mattermost vulnerability analysis and mitigation
Overview
The vulnerability (CVE-2023-2783) affects the Mattermost Apps Framework, where it fails to verify secrets provided in incoming webhook requests. This vulnerability was discovered and disclosed in June 2023, affecting Mattermost versions 7.8.0-7.8.4, 7.9.0-7.9.3, and 7.10.0 (NVD).
Technical details
The vulnerability is classified with a CVSS v3.1 Base Score of 4.3 (Medium severity) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. The vulnerability is categorized as CWE-862 (Missing Authorization), indicating a fundamental security control issue in the authorization mechanism (NVD).
Impact
The vulnerability allows an attacker to modify the contents of posts sent by the Apps through the Mattermost Apps Framework. The impact is primarily focused on integrity, with no direct effect on confidentiality or availability of the system (NVD).
Mitigation and workarounds
Users should upgrade to versions newer than 7.8.4 for the 7.8.x series, versions newer than 7.9.3 for the 7.9.x series, or versions newer than 7.10.0. The fix has been implemented in subsequent releases (NVD).
Additional resources
Source: This report was generated using AI
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