XML injection in Adobe Commerce (formerly Magento Commerce) and Magento Open Source - CVE-2021-36020
Published: August 10, 2021
Vulnerability identifier: #VU55763
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-36020
CWE-ID: CWE-91
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Adobe
Affected software:
Adobe Commerce (formerly Magento Commerce)
Magento Open Source
Adobe Commerce (formerly Magento Commerce)
Magento Open Source
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper input validation when processing XML data. A remote unauthenticated attacker can pass specially crafted XML data to the application and perform arbitrary actions on the system.
How to mitigate CVE-2021-36020
Install updates from vendor's website.