CVE-2021-21025 : What You Need to Know

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier), and 2.3.6 (and earlier) are vulnerable to XML injection in the product layout updates. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

Understanding CVE-2021-21025

Magento Commerce is susceptible to XML injection, potentially resulting in arbitrary code execution by an authenticated user. This vulnerability requires access to the admin console for exploitation.

What is CVE-2021-21025?

Magento Commerce versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier), and 2.3.6 (and earlier) contain a vulnerability that allows XML injection in product layout updates. An attacker with admin console access could execute arbitrary code.

The Impact of CVE-2021-21025

The vulnerability in Magento Commerce can have a critical impact, as it allows an authenticated attacker to execute arbitrary code through XML injection. This could lead to severe consequences, including unauthorized access and data manipulation.

Technical Details of CVE-2021-21025

Magento Commerce's CVE-2021-21025 raises critical concerns due to the potential for arbitrary code execution by leveraging XML injection.

Vulnerability Description

The vulnerability in Magento allows attackers to manipulate XML in product layout updates, leading to arbitrary code execution. This poses a severe security risk to affected systems.

Affected Systems and Versions

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier), as well as 2.3.6 (and earlier), are affected by this vulnerability. Custom versions are also at risk.

Exploitation Mechanism

Successful exploitation of this vulnerability requires an authenticated attacker to have access to the admin console. By injecting malicious XML into product layout updates, the attacker can achieve arbitrary code execution.

Mitigation and Prevention

To address CVE-2021-21025, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Update Magento Commerce to the latest patched version.
Restrict access to the admin console to authorized personnel only.
Monitor for any unusual activities on the admin console.

Long-Term Security Practices

Regularly scan and monitor your Magento installation for vulnerabilities.
Educate personnel on best security practices and the identification of suspicious activities.

Patching and Updates

Stay informed about security updates and patches provided by Adobe for Magento Commerce.