The Syncfusion EJ2 Node File Provider 0102271 is vulnerable to filesystem-server.js directory traversal. As a result, an unauthenticated attacker can: - On Windows, list files in any directory, read any file, delete any file, upload any file to any directory accessible by the web server. - On Linux, read any file, download any directory, delete any file, upload any file to any directory accessible by the web server.