CVE-2009-2508: Microsoft Windows Server 2003

Medium severity, CVSS 6.9. EPSS: 1.3% chance of exploitation in the next 30 days.

The single sign-on implementation in Active Directory Federation Services (ADFS) in Microsoft Windows Server 2003 SP2 and Server 2008 Gold and SP2 does not properly remove credentials at the end of a network session, which allows physically proximate attackers to obtain the credentials of a previous user of the same web browser by using data from the browser's cache, aka "Single Sign On Spoofing in ADFS Vulnerability."

Affected products

• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version

Published 2009-12-09. Last modified 2026-06-16.