CISA description
Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX allows remote attackers to perform arbitrary file uploads or execute arbitrary code.
Telerik · User Interface (UI) for ASP.NET AJAX
Telerik UI for ASP.NET AJAX Unrestricted File Upload Vulnerability
Telerik.Web.UI in Progress Telerik UI for ASP.NET AJAX allows remote attackers to perform arbitrary file uploads or execute arbitrary code.
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Vulnerability data triggers these controls during assessment and continuous monitoring.