CVE-2021-21012: Magento Commerce Insecure Direct Object Reference Vulnerability Could Lead To Sensitive Information Disclosure

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-13 · updated 2026-06-17
Weakness: CWE-639

Description

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: through 2.3.6; 2.4.0, 2.4.0-p1, 2.4.1
Adobe Magento Open Source: through 2.3.6; 2.4.0, 2.4.0-p1, 2.4.1

References

https://helpx.adobe.com/security/products/magento/apsb21-08.html
https://helpx.adobe.com/security/products/magento/apsb21-08.html

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