CVE-2020-24036 Explained : Impact and Mitigation

PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.

Understanding CVE-2020-24036

This CVE involves a vulnerability in ForkCMS that enables an authenticated remote user to execute malicious code through PHP object injection.

What is CVE-2020-24036?

CVE-2020-24036 is a security vulnerability in ForkCMS versions below 5.8.3 that allows an authenticated remote user to perform PHP object injection, leading to the execution of malicious code.

The Impact of CVE-2020-24036

The vulnerability poses a significant risk as it enables attackers to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2020-24036

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability arises from improper handling of objects in the Ajax endpoint of the backend in ForkCMS versions prior to 5.8.3, allowing attackers to inject and execute malicious PHP code.

Affected Systems and Versions

ForkCMS versions below 5.8.3 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests to the Ajax endpoint of the backend, leveraging PHP object injection to execute unauthorized code.

Mitigation and Prevention

Protect your systems from CVE-2020-24036 with the following measures:

Immediate Steps to Take

Upgrade ForkCMS to version 5.8.3 or later to mitigate the vulnerability.
Monitor and restrict access to the Ajax endpoint to prevent unauthorized exploitation.

Long-Term Security Practices

Implement secure coding practices to prevent injection attacks.
Regularly update and patch software to address known vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by ForkCMS to address vulnerabilities.