HIGH · 8.5

CVE-2011-3416

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 acc...

Vulnerability Description

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."

CVSS Score

8.5

HIGH

AV:N/AC:M/Au:S/C:C/I:C/A:C
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE

Affected Products

VendorProductVersions
MicrosoftWindows 7-
MicrosoftWindows Server 2003All versions
MicrosoftWindows Server 2008All versions
MicrosoftWindows VistaAll versions
MicrosoftWindows XpAll versions

Related Weaknesses (CWE)

References

FAQ

What is CVE-2011-3416?

CVE-2011-3416 is a vulnerability with a CVSS score of 8.5 (HIGH). 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 acc...

How severe is CVE-2011-3416?

CVE-2011-3416 has been rated HIGH with a CVSS base score of 8.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2011-3416?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.