CVE-2021-21019

CRITICAL

Magento <2.4.1-2.3.6 - Code Injection

Title source: llm

Description

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to XML injection in the Widgets module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

References (1)

[Vendor Advisory] https://helpx.adobe.com/security/products/magento/apsb21-08.html

Scores

CVSS v3 9.1

EPSS 0.0403

EPSS Percentile 88.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE

CWE-91

Status published

Products (5)

magento/community-edition 0 - 2.3.6-p1Packagist

magento/magento 2.3.6 (2 CPE variants)

magento/magento 2.4.0 (4 CPE variants)

magento/magento 2.4.1 (2 CPE variants)

magento/magento < 2.3.6 (2 CPE variants)

Published Feb 11, 2021

Tracked Since Feb 18, 2026