CVE-2009-2508
The single sign-on implementation in Active Directory Federation Services (ADFS) in Microsoft...
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."
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2009-2508- CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2009-2508- Updated
- 2026-11-02
EUVDEUVD-2009-2503 No score
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."
- Record
EUVD-2009-2503- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cm69-ppm8-q566 No score
The single sign-on implementation in Active Directory Federation Services (ADFS) in Microsoft...
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."
- Record
GHSA-cm69-ppm8-q566- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-2508 is a medium vulnerability (CVSS 6.9) in Microsoft Windows Server 2003, published December 9, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.26%, the 69th percentile. No source names a fixed version.