Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-42089
CVE-2021-42089:
NixOS vulnerability analysis and mitigation
Overview
An information leak vulnerability was discovered in Zammad versions 1.0.x through 4.1.0. The vulnerability (CVE-2021-42089) allows disclosure of sensitive information through the REST API. The issue was discovered and reported on October 5, 2021, and was fixed in Zammad versions 4.1.1 and 5.0.0 (Zammad Advisory).
Technical details
The vulnerability exists in Zammad's REST API implementation which is used to fetch and display information about different Models like Tickets, Users, Groups, etc. The API was found to potentially expose internal data that should not be visible to the requester (Zammad Advisory).
Impact
The vulnerability could lead to unauthorized access to sensitive internal data through the REST API. The severity of this vulnerability was rated as 'high' by the vendor (Zammad Advisory).
Mitigation and workarounds
Users are recommended to upgrade to Zammad version 4.1.1 or 5.0.0 or later to address this vulnerability. Updates can be obtained from the official Zammad website, FTP server, or through the OS package manager (Zammad Advisory).
Additional resources
Source: This report was generated using AI
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