#VU55744 Input validation error in Adobe Commerce (formerly Magento Commerce) and Magento Open Source - CVE-2021-36044

Vulnerability identifier: #VU55744

Vulnerability risk: Medium

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

CVE-ID: CVE-2021-36044

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 perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

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.