CVE-2021-21014

9.1 criticalEPSS 4.2%

Critical (9.1) in magento magento. EPSS 4.2% 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 a file upload restriction bypass. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

Severity

CVSS 3.0

9.1 critical

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS: 4.2% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2021-02-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

magento:magento

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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