CVE-2021-36023 : Security Advisory and Response

Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier), and 2.3.7 (and earlier) have been found to be affected by an XML Injection vulnerability in the Widgets Update Layout. This vulnerability could potentially allow an attacker with admin privileges to trigger a specially crafted script, leading to remote code execution.

Understanding CVE-2021-36023

This section will provide insights into the nature of CVE-2021-36023 and its implications.

What is CVE-2021-36023?

CVE-2021-36023 refers to an XML Injection vulnerability present in certain versions of Magento Commerce, allowing attackers to execute remote code by exploiting this weakness.

The Impact of CVE-2021-36023

The impact of this vulnerability is critical as it allows threat actors to remotely execute code on affected systems, posing a severe risk to the confidentiality, integrity, and availability of data.

Technical Details of CVE-2021-36023

Let's delve deeper into the technical aspects of CVE-2021-36023 to understand the vulnerability better.

Vulnerability Description

The vulnerability lies in the Widgets Update Layout feature of Magento Commerce, enabling attackers to inject malicious XML code and execute remote commands with admin privileges.

Affected Systems and Versions

Magento Commerce versions 2.4.2, 2.4.2-p1, and 2.3.7 (and earlier) are confirmed to be affected by this XML Injection vulnerability.

Exploitation Mechanism

By leveraging this vulnerability, malicious actors with admin privileges can input specially crafted scripts via the Widgets Update Layout, leading to the execution of remote code.

Mitigation and Prevention

Protecting your systems from CVE-2021-36023 requires immediate action and long-term security measures.

Immediate Steps to Take

It is recommended to apply the latest security patches provided by Adobe to mitigate the risk of exploitation. Additionally, restrict admin privileges and monitor system activity for any suspicious behavior.

Long-Term Security Practices

Incorporate regular security audits, educate users on best practices, and implement firewall rules and intrusion detection systems to enhance overall system security.

Patching and Updates

Stay vigilant for future security advisories from Adobe and promptly apply patches and updates to address vulnerabilities and bolster system defenses.