CVE-2021-36024 : Exploit Details and Defense Strategies

Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7 are affected by an Improper Neutralization of Special Elements Used In A Command vulnerability that allows attackers with admin privileges to achieve remote code execution.

Understanding CVE-2021-36024

This CVE involves an OS Command Injection vulnerability in Magento Commerce that poses a critical risk to affected systems.

What is CVE-2021-36024?

Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7 are vulnerable to an Improper Neutralization of Special Elements Used In A Command via the Data collection endpoint. This vulnerability can be exploited by an attacker with admin privileges to upload a specially crafted file and execute remote code.

The Impact of CVE-2021-36024

The impact of this CVE is classified as critical, with high severity ratings across various aspects including confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-36024

This section delves into the specific technical details related to the vulnerability.

Vulnerability Description

The vulnerability involves improper neutralization of special elements used in a command, leading to OS Command Injection.

Affected Systems and Versions

Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7 are confirmed to be affected by this vulnerability.

Exploitation Mechanism

An attacker with admin privileges can exploit this vulnerability by uploading a specially crafted file through the Data collection endpoint.

Mitigation and Prevention

It's crucial to take immediate steps to mitigate the risks posed by CVE-2021-36024.

Immediate Steps to Take

Update Magento Commerce to a secure version that includes patches addressing this vulnerability.
Monitor for any suspicious activities or unauthorized file uploads.

Long-Term Security Practices

Implement least privilege access to restrict admin privileges.
Conduct regular security audits and penetration testing to detect vulnerabilities early.

Patching and Updates

Regularly apply security patches and updates provided by Adobe for Magento Commerce.