/CVE-2021-21014

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.

PoC (Limited)

CVE-2021-21014

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.

Affected version: <= Magento 2.4.1

User requirement: Admin account with only Media gallery (+-) Products permission

Web server: Apache 2

Result: RCE

References

https://nvd.nist.gov/vuln/detail/CVE-2021-21014

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