CVE-2021-21016 Explained : Impact and Mitigation

Magento Commerce versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier), and 2.3.6 (and earlier) are vulnerable to OS command injection via the WebAPI. This could allow a remote authenticated attacker to execute arbitrary code with high severity and impact.

Understanding CVE-2021-21016

This CVE relates to a critical vulnerability in Adobe's Magento Commerce platform, allowing unauthorized data modification that could lead to remote code execution.

What is CVE-2021-21016?

CVE-2021-21016 is a security flaw in Magento Commerce versions 2.4.1, 2.4.0-p1, and 2.3.6, enabling OS command injection through the WebAPI. Successful exploitation may result in an attacker executing remote code.

The Impact of CVE-2021-21016

The vulnerability poses a critical threat by allowing an authenticated attacker to execute arbitrary code following successful exploitation, with high confidentiality and integrity impact.

Technical Details of CVE-2021-21016

This section provides insights into the vulnerability details, affected systems, and the exploitation mechanism.

Vulnerability Description

Magento Commerce versions 2.4.1, 2.4.0-p1, and 2.3.6 are susceptible to OS command injection via the WebAPI. Attackers could exploit this to execute remote code by manipulating data.

Affected Systems and Versions

The affected versions include Magento Commerce 2.4.1, 2.4.0-p1, and 2.3.6. Users of these versions are at risk of unauthorized data modification and potential remote code execution.

Exploitation Mechanism

Successful exploitation of this vulnerability requires an authenticated attacker to inject malicious OS commands via the WebAPI, gaining the ability to execute arbitrary code remotely.

Mitigation and Prevention

Learn about immediate steps to take, long-term security practices, and the significance of patching and updates to safeguard against CVE-2021-21016.

Immediate Steps to Take

Magento Commerce users are advised to apply the latest security updates promptly to mitigate the vulnerability. Restrict access to the admin console to authorized personnel only.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and educate users on identifying and reporting suspicious activities to bolster long-term security.

Patching and Updates

Stay informed about security patches and updates released by Adobe for Magento Commerce. Regularly update the platform to protect against potential vulnerabilities and security risks.