Vulnerability identifier: #VU30896

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7871

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Magento Open Source
Web applications / E-Commerce systems

Vendor: Magento, Inc

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

A security bypass exists in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 that could be abused to execute arbitrary PHP code. An authenticated user can bypass security protections that prevent arbitrary PHP script upload via form data injection.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Magento Open Source: 2.3.0 - 2.3.1

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External links
http://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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