CVE-2021-21012: Adobe Magento Commerce

Medium severity, CVSS 5.3. EPSS: 4% chance of exploitation in the next 30 days.

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to an insecure direct object vulnerability (IDOR) in the checkout module. Successful exploitation could lead to sensitive information disclosure.

Affected products

• Adobe Magento Commerce: up to and including 2.3.6; version 2.4.0 only; version 2.4.1 only
• Adobe Magento Open Source: up to and including 2.3.6; version 2.4.0 only; version 2.4.1 only

Published 2021-01-13. Last modified 2026-06-17.