8.5
CWE
264
Advisory Published
Updated

CVE-2011-3416

First published: Fri Dec 30 2011(Updated: )

The Forms Authentication feature in the ASP.NET subsystem in Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 allows remote authenticated users to obtain access to arbitrary user accounts via a crafted username, aka "ASP.Net Forms Authentication Bypass Vulnerability."

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Windows 7
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows Server 2003=sp2
Microsoft Windows Server 2008 Itanium=r2
Microsoft Windows Server 2008 Itanium=sp2
Microsoft Windows Server 2008 Itanium=sp2
Microsoft Windows Server 2008 Itanium=sp2
Microsoft Windows Server 2008 Itanium=r2
Microsoft Windows Vista=sp2
Microsoft Windows Vista=sp2
Microsoft Windows XP=sp2
Microsoft Windows XP=sp3-unknown
Microsoft Windows Vista=sp2

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Frequently Asked Questions

  • What is the severity of CVE-2011-3416?

    CVE-2011-3416 is considered critical as it allows remote authenticated users to access arbitrary user accounts.

  • How do I fix CVE-2011-3416?

    To fix CVE-2011-3416, apply the security update provided by Microsoft as part of MS11-100.

  • Who is affected by CVE-2011-3416?

    CVE-2011-3416 affects Microsoft .NET Framework versions 1.1 SP1, 2.0 SP2, 3.5 SP1, 3.5.1, and 4.0 on various Windows operating systems.

  • What does CVE-2011-3416 exploit?

    CVE-2011-3416 exploits a vulnerability in the Forms Authentication feature of the ASP.NET subsystem.

  • Is CVE-2011-3416 still a risk for organizations?

    Yes, CVE-2011-3416 remains a risk for organizations that have not updated their vulnerable .NET Framework installations.

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