While primarily targeting .NET Core, this vulnerability’s root cause existed in the shared serialization logic of Framework 4.0. An attacker could send a specially crafted JSON or XML payload to a WCF (Windows Communication Foundation) service running on v4.0.30319 , causing the server to consume 100% CPU resources indefinitely.
This vulnerability affects ASP.NET applications running on .NET 4.0. microsoft net framework 4.0 v 30319 vulnerabilities
To check if your system is running a vulnerable version, you can inspect the Windows Registry: Navigate to While primarily targeting