What is CVE-2021-21013?

CVE-2021-21013 is a high-severity vulnerability in Adobe Magento, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2021-01-13.

How severe is CVE-2021-21013?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Adobe Magento

CVE-2021-21013

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 customer API module. Successful exploitation could lead to sensitive information disclosure and update arbitrary information on another user's account.

Vulnerability class: Broken Access Control

Published 2021-01-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.032 (87.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Adobe Magento
Adobe Magento Commerce — versions unspecified

Weakness classification (CWE)

References

helpx.adobe.com/security/products/magento/apsb21-08.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21013?: CVE-2021-21013 is a high-severity vulnerability in Adobe Magento, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2021-01-13.
How severe is CVE-2021-21013?: High severity. CVSS v3 base score is 8.1 out of 10.