CVE-2020-21650 : What You Need to Know

Myucms v2.2.1 contains a remote code execution (RCE) vulnerability in the component \controller\Config.php, which can be exploited via the add() method.

Understanding CVE-2020-21650

This CVE involves a critical vulnerability in Myucms v2.2.1 that allows remote code execution.

What is CVE-2020-21650?

The CVE-2020-21650 vulnerability is a remote code execution flaw in Myucms v2.2.1, specifically in the \controller\Config.php component, which can be abused through the add() method.

The Impact of CVE-2020-21650

This vulnerability can lead to unauthorized remote code execution, potentially allowing attackers to take control of the affected system, steal data, or disrupt services.

Technical Details of CVE-2020-21650

Myucms v2.2.1 is affected by this vulnerability, as detailed below:

Vulnerability Description

The vulnerability exists in the \controller\Config.php component, enabling remote code execution through the add() method.

Affected Systems and Versions

Product: Myucms
Version: 2.2.1

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing the add() method to execute malicious code remotely.

Mitigation and Prevention

To address CVE-2020-21650, follow these steps:

Immediate Steps to Take

Disable the add() method if not essential for system functionality.
Implement network controls to restrict access to vulnerable components.
Monitor system logs for any suspicious activity.

Long-Term Security Practices

Regularly update and patch the Myucms software to eliminate known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Apply patches or updates provided by the vendor to fix the vulnerability in Myucms v2.2.1.