CVE-2009-0089: Microsoft Windows 2000

Medium severity, CVSS 5.8. EPSS: 5.1% chance of exploitation in the next 30 days.

Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, and Vista Gold allows remote web servers to impersonate arbitrary https web sites by using DNS spoofing to "forward a connection" to a different https web site that has a valid certificate matching its own domain name, but not a certificate matching the domain name of the host requested by the user, aka "Windows HTTP Services Certificate Name Mismatch Vulnerability."

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version
• Microsoft Windows Vista: any version
• Microsoft Windows XP: any version

Published 2009-04-15. Last modified 2026-06-16.