CVE-2021-42025 : What You Need to Know
Discover the impact of CVE-2021-42025 affecting Mendix Applications versions 8 and 9, allowing attackers to manipulate content. Learn about mitigation steps and necessary updates.
A vulnerability has been identified in Mendix Applications that could allow authenticated attackers to manipulate certain content, affecting versions 8 and 9.
Understanding CVE-2021-42025
What is CVE-2021-42025?
A vulnerability in Mendix Applications allows attackers to manipulate System.FileDocument objects due to incorrect write access control.
The Impact of CVE-2021-42025
The vulnerability could be exploited by authenticated attackers to alter content, irrespective of write access permissions.
Technical Details of CVE-2021-42025
Vulnerability Description
Applications using Mendix 8 and 9 fail to properly control write access for specific client actions.
Affected Systems and Versions
- Mendix Applications using Mendix 8: All versions < V8.18.13
- Mendix Applications using Mendix 9: All versions < V9.6.2
Exploitation Mechanism
The vulnerability allows authenticated attackers to modify content within System.FileDocument objects.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Mendix Applications to version 8.18.13 or higher for Mendix 8 and version 9.6.2 or higher for Mendix 9.
- Monitor and restrict access to sensitive documents.
Long-Term Security Practices
- Regularly update Mendix applications and associated components.
- Implement least privilege access controls.
Patching and Updates
Apply the latest patches and updates provided by Siemens for Mendix Applications.