CVE-2019-8140: Malicious File Upload
An unrestricted file upload vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated admin user can manipulate the Synchronization feature in the Media File Storage of the database to transform uploaded JPEG file into a PHP file.
Other sources
PRODSECBUG-2408: Unrestricted upload of file with dangerous type
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2019-8140?
CVE-2019-8140 is rated as a critical severity vulnerability that allows an authenticated admin user to upload malicious PHP files.
How do I fix CVE-2019-8140?
To fix CVE-2019-8140, upgrade to Magento version 2.2.10 or 2.3.3 and above.
What versions are affected by CVE-2019-8140?
CVE-2019-8140 affects Magento versions prior to 2.2.10 and 2.3.3, including 2.2.0 to 2.2.9 and 2.3.0 to 2.3.2-p1.
Who can exploit CVE-2019-8140?
CVE-2019-8140 can be exploited by authenticated admin users who manipulate the Media File Storage feature.
What is the impact of CVE-2019-8140?
The impact of CVE-2019-8140 allows attackers to execute arbitrary PHP code on the Magento servers, leading to potential data breaches or server compromise.