CVE-2020-19151 Explained : Impact and Mitigation

Jfinal CMS v4.7.1 and earlier versions are vulnerable to Command Injection, allowing remote attackers to execute arbitrary code by uploading a malicious HTML template file.

Understanding CVE-2020-19151

This CVE identifies a critical security issue in Jfinal CMS versions prior to v4.7.1.

What is CVE-2020-19151?

Command Injection vulnerability in Jfinal CMS v4.7.1 and earlier versions enables attackers to run arbitrary code through a malicious HTML template file upload.

The Impact of CVE-2020-19151

The vulnerability can lead to unauthorized code execution, potentially compromising the entire system and sensitive data.

Technical Details of CVE-2020-19151

Jfinal CMS v4.7.1 and earlier versions are susceptible to a severe Command Injection flaw.

Vulnerability Description

Attackers can exploit the vulnerability by uploading a crafted HTML template file via the 'jfinal_cms/admin/filemanager/list' component.

Affected Systems and Versions

Jfinal CMS v4.7.1 and earlier

Exploitation Mechanism

Remote attackers upload a malicious HTML template file to execute arbitrary code.

Mitigation and Prevention

It is crucial to take immediate action to mitigate the risks posed by CVE-2020-19151.

Immediate Steps to Take

Update Jfinal CMS to the latest version that includes a patch for the Command Injection vulnerability.
Implement strict file upload validation to prevent malicious file uploads.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly audit and review code for security vulnerabilities.
Conduct security training for developers to raise awareness of secure coding practices.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities.