Devexpress · Devexpress Ajax Control Toolkit · CVE-2015-4670
**Name of the Vulnerable Software and Affected Versions**
DevExpress AJAX Control Toolkit versions prior to 15.1
**Description**
The issue allows remote attackers to write to arbitrary files via a .. (dot dot) in the `fileId` parameter to "AjaxFileUploadHandler.axd" API endpoint.
**Recommendations**
For versions prior to 15.1, update to version 15.1 or later to resolve the issue.