CVE-2021-36033 : Security Advisory and Response

Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier), and 2.3.7 (and earlier) are affected by an XML Injection vulnerability in the Widgets Module. An attacker with admin privileges can trigger a specially crafted script to achieve remote code execution.

Understanding CVE-2021-36033

This CVE identifies a critical XML Injection vulnerability within the Widgets Module of Magento Commerce that could potentially lead to remote code execution.

What is CVE-2021-36033?

CVE-2021-36033 is a security vulnerability found in Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7 that allows an attacker with admin privileges to execute remote code through specially crafted scripts.

The Impact of CVE-2021-36033

The impact of this vulnerability is categorized as critical, with high severity. It can lead to significant confidentiality, integrity, and availability breaches.

Technical Details of CVE-2021-36033

The following technical details outline the specifics of CVE-2021-36033:

Vulnerability Description

The vulnerability lies in the Widgets Module of Magento Commerce due to XML Injection, enabling the execution of malicious code remotely.

Affected Systems and Versions

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

Exploitation Mechanism

An attacker with admin privileges could exploit this vulnerability by injecting specially crafted XML code, thereby gaining remote code execution capabilities.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-36033, consider the following security measures:

Immediate Steps to Take

Immediately update Magento Commerce to a non-affected version or apply security patches provided by Adobe.

Long-Term Security Practices

Implement strict admin access controls, conduct regular security audits, and train staff in identifying and responding to potential security threats.

Patching and Updates

Stay informed about security updates released by Adobe for Magento Commerce to address vulnerabilities and apply patches promptly.