What is CVE-2021-36023?

CVE-2021-36023 is a vulnerability in Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier), and 2.3.7 (and earlier) that allows an attacker with admin privileges to achieve remote code execution.

How does CVE-2021-36023 affect Magento Commerce?

CVE-2021-36023 affects Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier), and 2.3.7 (and earlier) by enabling an XML Injection vulnerability in the Widgets Update Layout.

What is the severity of CVE-2021-36023?

CVE-2021-36023 has a severity rating of critical with a score of 7.2.

How can an attacker exploit CVE-2021-36023?

An attacker with admin privileges can trigger a specially crafted script to exploit the XML Injection vulnerability and achieve remote code execution.

Is there a fix for CVE-2021-36023?

Yes, upgrading to Magento Commerce versions 2.4.3, 2.4.2-p1, or 2.3.8-p1 addresses the vulnerability.

Vulnerability/
CVE-2021-36023

critical

9.1

CWE

6/9/2023

11/9/2023

CVE-2021-36023: OS Command Injection

First published: Wed Sep 06 2023(Updated: )

Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an XML Injection vulnerability in the Widgets Update Layout. An attacker with admin privileges can trigger a specially crafted script to achieve remote code execution.

Credit: psirt@adobe.com psirt@adobe.com

Affected Software	Affected Version	How to fix
Magento Magento	<2.3.7
Magento Magento	<2.3.7
Magento Magento	>=2.4.0<2.4.2
Magento Magento	>=2.4.0<2.4.2
Magento Magento	=2.3.7
Magento Magento	=2.3.7
Magento Magento	=2.4.2
Magento Magento	=2.4.2
Magento Magento	=2.4.2-p1
Magento Magento	=2.4.2-p1

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Reference Links

https://helpx.adobe.com/security/products/magento/apsb21-64.html

Frequently Asked Questions

What is CVE-2021-36023?
CVE-2021-36023 is a vulnerability in Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier), and 2.3.7 (and earlier) that allows an attacker with admin privileges to achieve remote code execution.
How does CVE-2021-36023 affect Magento Commerce?
CVE-2021-36023 affects Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier), and 2.3.7 (and earlier) by enabling an XML Injection vulnerability in the Widgets Update Layout.
What is the severity of CVE-2021-36023?
CVE-2021-36023 has a severity rating of critical with a score of 7.2.
How can an attacker exploit CVE-2021-36023?
An attacker with admin privileges can trigger a specially crafted script to exploit the XML Injection vulnerability and achieve remote code execution.
Is there a fix for CVE-2021-36023?
Yes, upgrading to Magento Commerce versions 2.4.3, 2.4.2-p1, or 2.3.8-p1 addresses the vulnerability.

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