Vulnerability identifier: #VU18712

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-200

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 attacker to gain access to potentially sensitive information.

The vulnerability exists due to NGINX configuration's regular expressions not being restricted to the explicit directories. A remote administrator can upload PHP files to access sensitive data, because NGINX configuration allows PHP files to be executed in any directory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Magento Open Source: 2.1.0 - 2.1.16

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External links
http://magento.com/security/patches/magento-2.3.1-2.2.8-and-2.1.17-security-update

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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.