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CVE-2011-1253

UnknownEPSS 13.24%

Last modified

CVE-2011-1253 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 13.24% chance of exploitation in the next 30 days.

Description

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."

Metrics

EPSS Probability
13.24%

95.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
Microsoft.Net Framework1.0Sp3
Microsoft.Net Framework1.1Sp1
Microsoft.Net Framework2.0Sp2
Microsoft.Net Framework3.5.1—
Microsoft.Net Framework4.0—
MicrosoftSilverlight4.0.60531.0—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1253?
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."
How severe is CVE-2011-1253?
Severity scoring for CVE-2011-1253 is pending analysis. The EPSS model estimates a 13.24% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1253?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1253?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST