#VU55746 Input validation error in Adobe Commerce (formerly Magento Commerce) and Magento Open Source - CVE-2021-36030

Vulnerability identifier: #VU55746

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-36030

CWE-ID: CWE-20

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 attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and bypass security features on the 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 non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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