Vulnerability identifier: #VU50526

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: CVE-2021-21014

CWE-ID: CWE-434

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

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote privileged user can upload a malicious file and execute it on the server.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Commerce (formerly Magento Commerce): 2.4.0 - 2.4.1, 2.3.0 - 2.3.6, 2.2.0 - 2.2.11, 2.0.0 - 2.0.18, 2.1.0 - 2.1.18

Magento Open Source: 2.3.0 - 2.3.6, 2.4.0 - 2.4.1, 2.2.0 - 2.2.11, 2.1.0 - 2.1.18, 2.0.0 - 2.0.18

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External links
http://helpx.adobe.com/security/products/magento/apsb21-08.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.