Schneider Electric APC Easy UPS Online FileUploadServlet processRequest Directory Traversal Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric APC Easy UPS Online. Authentication is not required to exploit this vulnerability. The specific flaw exists within the FileUploadServlet class. When parsing the filename parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.