CVE-2011-1253: Critical severity microsoft silverlight vulnerability
Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4, and Silverlight 4 before 4.0.60831, does not properly restrict inheritance, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, (3) a crafted .NET Framework application, or (4) a crafted Silverlight application, aka ".NET Framework Class Inheritance Vulnerability."
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-1253?
CVE-2011-1253 has a severity rating of Critical as it allows remote code execution.
How do I fix CVE-2011-1253?
To fix CVE-2011-1253, install the security update provided by Microsoft for the affected .NET Framework and Silverlight versions.
Which software versions are affected by CVE-2011-1253?
CVE-2011-1253 affects Microsoft .NET Framework versions 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5.1, and 4, along with Silverlight 4 versions before 4.0.60831.
What are the potential impacts of CVE-2011-1253?
Exploitation of CVE-2011-1253 could allow an attacker to execute arbitrary code on the affected systems.
Is there a workaround for CVE-2011-1253?
While Microsoft recommends applying the security update, disabling XAML browser applications can serve as a temporary workaround.