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CVE-2009-2508

MEDIUM · CVSS 6.9EPSS 1.3%EU EUVD

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."

Key facts

CVSS score
6.9 (v2.0)
Severity
MEDIUM
CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-255
EPSS score
1.3% (70th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-2503)
Published
December 9, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-2503 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / windows server 2003
  • microsoft / windows server 2008
  • microsoft / windows server 2008
  • microsoft / windows server 2008
  • microsoft / windows server 2008

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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