#VU55765 XML injection in Adobe Commerce (formerly Magento Commerce) and Magento Open Source - CVE-2021-36033

Vulnerability identifier: #VU55765

Vulnerability risk: Low

CVSSv4.0: 2.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/U:Clear]

CVE-ID: CVE-2021-36033

CWE-ID: CWE-91

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Commerce (formerly Magento Commerce)
Web applications / E-Commerce systems
Magento Open Source
Web applications / E-Commerce systems

Vendor: Magento, Inc
Adobe

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation when processing XML data. A remote administrator can pass specially crafted XML data to the application and perform arbitrary actions on the system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Commerce (formerly Magento Commerce): 2.3.0 - 2.3.7, 2.4.0 - 2.4.2-p1

Magento Open Source: 2.3.0 - 2.3.7, 2.4.2 - 2.4.2-p1

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.