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Vulnerability Score 7.8 7.8
CVE Id CVE-2011-1871
Last Modified 04 Oct 2011 10:54:15
Published 10 Aug 2011 05:55:01
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact COMPLETE COMPLETE
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



Tcpip.sys in the TCP/IP stack in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to cause a denial of service (reboot) via a series of crafted ICMP messages, aka "ICMP Denial of Service Vulnerability."

Vulnerable Systems

Operating System

  • Microsoft Windows 7 -

  • Microsoft Windows Server 2008

  • Microsoft Windows Server 2008 -

  • Microsoft Windows Server 2008 R2

  • Microsoft Windows Vista


CERT - TA11-221A

MS - MS11-064

Last Updated: 27 May 2016 10:56:50