CVE-2010-2085: Microsoft .NET Framework

Medium severity, CVSS 4.3. EPSS: 9% chance of exploitation in the next 30 days.

The default configuration of ASP.NET in Microsoft .NET before 1.1 has a value of FALSE for the EnableViewStateMac property, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the __VIEWSTATE parameter.

Affected products

• Microsoft .NET Framework: up to and including 1.0; version 1.0 only

Published 2010-05-27. Last modified 2026-06-16.