CVE-2014-4072: Microsoft .NET Framework

Medium severity, CVSS 5.0. EPSS: 30.9% chance of exploitation in the next 30 days.

Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly use a hash table for request data, which allows remote attackers to cause a denial of service (resource consumption and ASP.NET performance degradation) via crafted requests, aka ".NET Framework Denial of Service Vulnerability."

Affected products

• Microsoft .NET Framework: version 1.1 only; version 2.0 only; version 3.0 only; version 3.5 only; version 3.5.1 only; version 4.0 only; …

Published 2014-09-10. Last modified 2026-06-17.