CVE-2011-3417

Critical

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, when sliding expiry is enabled, does not properly handle cached content, which allows remote attackers to obtain access to arbitrary user accounts via a crafted URL, aka "ASP.NET Forms Authentication Ticket Caching Vulnerability."

SeverityCritical

CVSS9.3

Exploit probability—

Product

Microsoft Windows

PublishedDec 30, 2011

First seenDec 30, 2011

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-100

Affected products

Product	Affected versions	Fixed in
microsoft windows_7	No range specified	—
microsoft windows_server_2003	No range specified	—
microsoft windows_server_2008	No range specified, r2	—
microsoft windows_vista	No range specified	—
microsoft windows_xp	No range specified, sp3	—

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