XML injection in Magento Open Source and Adobe Commerce (formerly Magento Commerce) - CVE-2021-36020
Published: August 10, 2021
Vulnerability identifier: #VU55763
CSH Severity: High
CVSS v4: 8.8 [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]
CVE-ID: CVE-2021-36020
CWE-ID: CWE-91
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Magento Open Source
Adobe Commerce (formerly Magento Commerce)
Adobe Commerce (formerly Magento Commerce)
How to mitigate CVE-2021-36020
Install updates from vendor's website.
Magento Open Source - addressed in versions 2.3.7-p1, 2.4.2-p2, 2.4.3
Adobe Commerce (formerly Magento Commerce) - addressed in versions 2.3.7-p1, 2.4.2-p2, 2.4.3
Adobe Commerce (formerly Magento Commerce) - addressed in versions 2.3.7-p1, 2.4.2-p2, 2.4.3