CVE-2020-5196 Explained : Impact and Mitigation
Learn about CVE-2020-5196 affecting Cerberus FTP Server Enterprise Edition. Find out how authenticated attackers can bypass permissions, potentially compromising data security. Discover mitigation strategies and the importance of updating to versions 11.0.3 or 10.0.18.
Cerberus FTP Server Enterprise Edition prior to versions 11.0.3 and 10.0.18 allows unauthorized access to certain functionalities, potentially compromising data security.
Understanding CVE-2020-5196
This CVE highlights a vulnerability in Cerberus FTP Server that enables authenticated attackers to perform unauthorized actions.
What is CVE-2020-5196?
The vulnerability in Cerberus FTP Server allows attackers to bypass permissions related to zipping and unzipping files, leading to unauthorized access to files and directories.
The Impact of CVE-2020-5196
The vulnerability permits unauthorized users to view, create, and manipulate files and directories without the necessary permissions, potentially compromising data confidentiality and integrity.
Technical Details of CVE-2020-5196
This section provides detailed technical information about the vulnerability.
Vulnerability Description
Cerberus FTP Server Enterprise Edition prior to versions 11.0.3 and 10.0.18 allows authenticated attackers to perform unauthorized actions, including creating files, listing directories, and displaying hidden files.
Affected Systems and Versions
- Product: Cerberus FTP Server Enterprise Edition
- Versions Affected: Prior to 11.0.3 and 10.0.18
Exploitation Mechanism
Attackers can exploit the vulnerability by utilizing the zip and unzip features to bypass certain permissions, enabling them to access files and directories without proper authorization.
Mitigation and Prevention
Protect your systems from CVE-2020-5196 by following these mitigation strategies.
Immediate Steps to Take
- Update Cerberus FTP Server to versions 11.0.3 or 10.0.18 to mitigate the vulnerability.
- Monitor file and directory access for any unauthorized activities.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user access based on their roles.
- Regularly review and update permissions to ensure data security.
Patching and Updates
- Stay informed about security updates for Cerberus FTP Server and promptly apply patches to address known vulnerabilities.