CVE-2021-42137 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-42137 in Zammad before version 5.0.1. Learn about the improper enforcement of privilege requirements and how to mitigate this security vulnerability.
An issue was discovered in Zammad before 5.0.1. In some cases, there is improper enforcement of the privilege requirement for viewing a list of tickets that shows title, state, etc.
Understanding CVE-2021-42137
What is CVE-2021-42137?
CVE-2021-42137 is a vulnerability in Zammad before version 5.0.1 that allows improper privilege requirements for accessing ticket information.
The Impact of CVE-2021-42137
This vulnerability can potentially lead to unauthorized access to sensitive ticket information within the Zammad system.
Technical Details of CVE-2021-42137
Vulnerability Description
The issue involves improper enforcement of privilege requirements, which can result in unauthorized users viewing ticket information.
Affected Systems and Versions
- Affected Version: Zammad before 5.0.1
Exploitation Mechanism
Unauthorized users can exploit this vulnerability to access ticket lists without the required privileges.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Zammad to version 5.0.1 or later to mitigate this vulnerability.
- Regularly review and update access controls to prevent unauthorized access.
Long-Term Security Practices
- Conduct regular security audits to identify and address any potential vulnerabilities.
- Train users on the importance of data privacy and access controls.
Patching and Updates
Ensure timely application of security patches and updates to maintain a secure Zammad environment.