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Vulnerability Score 5.8 5.8
CVE Id CVE-2012-2549
Last Modified 02 Nov 2013 11:24:19
Published 11 Dec 2012 07:55:01
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact NONE NONE
Access Vector NETWORK
Access Complexity MEDIUM
Authentication NONE



The IP-HTTPS server in Windows Server 2008 R2 and R2 SP1 and Server 2012 does not properly validate certificates, which allows remote attackers to bypass intended access restrictions via a revoked certificate, aka "Revoked Certificate Bypass Vulnerability."

Vulnerable Systems

Operating System

  • Microsoft Windows Server 2008

  • Microsoft Windows Server 2008 R2

  • Microsoft Windows Server 2012 -


MS - MS12-083

CERT - TA12-346A

Related Patches

MS12-083 Security Update for Windows Server 2008 R2 x64 (KB2765809)

Last Updated: 27 May 2016 11:01:29