CVE-2021-21027 : Vulnerability Insights and Analysis

Magento Commerce versions 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier are affected by a cross-site request forgery (CSRF) vulnerability through the GraphQL API. Unauthorized modification of customer metadata is possible upon successful exploitation without the need for admin console access.

Understanding CVE-2021-21027

This section provides insights into the details and impacts of the CSRF vulnerability affecting Magento Commerce.

What is CVE-2021-21027?

Magento Commerce versions 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier are susceptible to a CSRF vulnerability through the GraphQL API. An unauthenticated attacker could exploit this to manipulate customer metadata without requiring admin access.

The Impact of CVE-2021-21027

Successful exploitation of this vulnerability could allow threat actors to modify customer metadata without proper authorization, posing a risk to data integrity and confidentiality.

Technical Details of CVE-2021-21027

Delve deeper into the technical aspects of the CSRF vulnerability affecting Magento Commerce.

Vulnerability Description

The vulnerability arises from inadequate CSRF protection mechanisms in Magento Commerce versions 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier, allowing unauthorized modification of customer metadata.

Affected Systems and Versions

Magento Commerce versions 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier are impacted by this CSRF vulnerability via the GraphQL API.

Exploitation Mechanism

Attackers can exploit this vulnerability through the GraphQL API, enabling them to manipulate customer metadata without authentication.

Mitigation and Prevention

Explore the necessary steps to protect systems against CVE-2021-21027 and prevent potential exploitation.

Immediate Steps to Take

Upgrade Magento Commerce to a non-vulnerable version immediately.
Implement additional authentication mechanisms to bolster security.

Long-Term Security Practices

Regularly monitor and update Magento Commerce for the latest security patches.
Conduct thorough security assessments and audits periodically.

Patching and Updates

Stay informed about security advisories from Magento and promptly apply recommended patches and updates.