QID 150521

Date Published: 2022-06-02

QID 150521: EOL/Obsolete Software: Microsoft .NET Framework Detected

Microsoft .NET Framework is a software development platform developed by Microsoft for building and running Windows applications..

According to Microsoft .NET Framework Lifecycle Policy .NET Framework 2.0 and 3.0 are legacy versions which are no longer supported and will not be receiving regular patches.

QID Detection Logic:(Unauthenticated)
This QID sends a HTTP GET request to target application and retrieves Common Language Runtime (CLR) version via "X-AspNet-Version" HTTP response header. The CLR 2.0 version translates to .NET 2.0 and 3.0 framework version which are EOL.

The system is at high risk of being exposed to security vulnerabilities. Since the vendor no longer provides updates, obsolete software is more vulnerable to viruses and other attacks.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Critical - 10 severity.

Solution

It is strongly recommended to upgrade to the latest version of .NET Framework Version.

Vendor References

Microsoft .NET Framework Product Lifecycle - docs.microsoft.com/en-us/lifecycle/products/microsoft-net-framework

CVEs related to QID 150521

Software Advisories

Advisory ID	Software	Component	Link

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