Arbitrary file upload in Magento Open Source and Adobe Commerce (formerly Magento Commerce) - CVE-2021-21014
Published: February 9, 2021
Vulnerability identifier: #VU50526
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21014
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Magento Open Source
Adobe Commerce (formerly Magento Commerce)
Adobe Commerce (formerly Magento Commerce)
How to mitigate CVE-2021-21014
Install updates from vendor's website.
Magento Open Source - addressed in versions 2.3.6-p1, 2.4.1-p1, 2.4.2
Adobe Commerce (formerly Magento Commerce) - addressed in versions 2.3.6-p1, 2.4.1-p1, 2.4.2
Adobe Commerce (formerly Magento Commerce) - addressed in versions 2.3.6-p1, 2.4.1-p1, 2.4.2