CVE-2020-12851 Explained : Impact and Mitigation
Learn about CVE-2020-12851, a Pydio Cells 2.0.4 vulnerability allowing authenticated users to overwrite files in other users' folders. Find mitigation steps and best practices here.
Pydio Cells 2.0.4 allows an authenticated user to write or overwrite existing files in another user’s personal and cells folders by leveraging a file extraction feature.
Understanding CVE-2020-12851
Pydio Cells 2.0.4 vulnerability allows authenticated users to manipulate files in other users' folders.
What is CVE-2020-12851?
Pydio Cells 2.0.4 permits authenticated users to upload a custom ZIP file to overwrite files in targeted user folders.
The Impact of CVE-2020-12851
The vulnerability enables unauthorized access and manipulation of files in other users' directories, compromising data integrity and confidentiality.
Technical Details of CVE-2020-12851
Pydio Cells 2.0.4 vulnerability specifics.
Vulnerability Description
An authenticated user can upload a custom ZIP file to overwrite files in other users' personal and cells folders.
Affected Systems and Versions
- Product: Pydio Cells 2.0.4
- Vendor: Pydio
- Version: 2.0.4
Exploitation Mechanism
- Authenticated user uploads a custom ZIP file
- Leveraging the file extraction feature
- Extracted files placed in targeted user folders
Mitigation and Prevention
Steps to address and prevent CVE-2020-12851.
Immediate Steps to Take
- Update Pydio Cells to the latest version
- Monitor file activities for unauthorized changes
Long-Term Security Practices
- Implement strict file access controls
- Conduct regular security audits and penetration testing
Patching and Updates
- Apply security patches promptly
- Stay informed about security advisories and updates