CVE-2011-1253

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."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 15.89% Top 10%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-078 vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13069 vdb entry signature

Frequently Asked Questions

What is the severity of CVE-2011-1253?
CVE-2011-1253 has been scored as a critical severity vulnerability.
How to fix CVE-2011-1253?
To fix CVE-2011-1253, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1253 being actively exploited in the wild?
It is possible that CVE-2011-1253 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~16% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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