CVE-2020-28246 Explained : Impact and Mitigation
Learn about CVE-2020-28246, a critical Server-Side Template Injection vulnerability in Form.io 2.0.0 that allows Remote Code Execution. Find mitigation steps and best practices for enhanced security.
A Server-Side Template Injection (SSTI) vulnerability in Form.io 2.0.0 allows for Remote Code Execution when deleting the default Email template URL.
Understanding CVE-2020-28246
This CVE involves a critical security issue in Form.io that can lead to unauthorized code execution.
What is CVE-2020-28246?
Server-Side Template Injection (SSTI) in Form.io 2.0.0 enables attackers to execute malicious code remotely by manipulating the default Email template URL.
The Impact of CVE-2020-28246
The vulnerability poses a severe risk as it allows threat actors to execute arbitrary code on the server, potentially leading to data breaches, system compromise, and unauthorized access.
Technical Details of CVE-2020-28246
This section provides in-depth technical insights into the vulnerability.
Vulnerability Description
Form.io 2.0.0 is susceptible to SSTI, enabling attackers to exploit the deletion of the default Email template URL to achieve Remote Code Execution.
Affected Systems and Versions
- Product: Form.io
- Version: 2.0.0
Exploitation Mechanism
The vulnerability is exploited by manipulating the default Email template URL, allowing attackers to inject and execute malicious code on the server.
Mitigation and Prevention
Protect your systems and data from CVE-2020-28246 with the following measures:
Immediate Steps to Take
- Update Form.io to the latest secure version.
- Implement strict input validation to prevent malicious injections.
- Monitor and restrict access to sensitive server functionalities.
Long-Term Security Practices
- Conduct regular security audits and penetration testing.
- Educate developers and administrators on secure coding practices.
- Stay informed about security updates and patches for Form.io.
- Consider implementing a Web Application Firewall (WAF) for added protection.
- Employ network segmentation to limit the impact of potential breaches.
Patching and Updates
- Apply patches and updates provided by Form.io promptly to address security vulnerabilities and enhance system resilience.