CVE-2021-28563 : Security Advisory and Response
Learn about CVE-2021-28563, a Magento Commerce vulnerability allowing unauthorized modification of customer data through the 'Create Customer' endpoint. Find out its impact, affected systems, and mitigation steps.
Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier), and 2.3.6-p1 (and earlier) are affected by an Improper Authorization vulnerability via the 'Create Customer' endpoint. Successful exploitation could lead to unauthorized modification of customer data by an unauthenticated attacker. Access to the admin console is required for successful exploitation.
Understanding CVE-2021-28563
This CVE refers to an Improper Authorization vulnerability in Magento Commerce, allowing unauthorized modification of customer data through the 'Create Customer' endpoint.
What is CVE-2021-28563?
CVE-2021-28563 is a security vulnerability in Magento Commerce versions 2.4.2 and earlier, 2.4.1-p1 and earlier, and 2.3.6-p1 and earlier, which can be exploited by an attacker to modify customer data without authentication.
The Impact of CVE-2021-28563
The exploitation of this vulnerability could result in unauthorized changes to customer data, posing a risk to data integrity and privacy.
Technical Details of CVE-2021-28563
This section outlines the specifics of the vulnerability.
Vulnerability Description
The vulnerability permits unauthorized users to tamper with customer data through the 'Create Customer' endpoint, requiring access to the admin console for successful exploitation.
Affected Systems and Versions
Magento Commerce versions 2.4.2, 2.4.1-p1, and 2.3.6-p1 (and earlier) are impacted by this vulnerability.
Exploitation Mechanism
Unauthorized attackers can exploit this vulnerability through the 'Create Customer' endpoint without the need for special privileges or user interaction.
Mitigation and Prevention
Protect your system by following the mitigation strategies below.
Immediate Steps to Take
- Update Magento to the latest patched version immediately.
- Restrict access to admin consoles to trusted personnel only.
Long-Term Security Practices
- Regularly monitor and audit customer data for unauthorized changes.
- Implement multi-factor authentication for enhanced security.
Patching and Updates
Regularly check for security updates and patches provided by Magento Commerce to address this vulnerability.