{"id":"CVE-2009-2508","aliases":["EUVD-2009-2503","GHSA-cm69-ppm8-q566"],"status":"published","title":"The single sign-on implementation in Active Directory Federation Services (ADFS) in Microsoft...","description":"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.\"","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01262,"percentile":0.69838,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-255"],"published":"2009-12-09T18:00:00Z","modified":"2026-06-16T23:09:36Z","products":[{"vendor":"microsoft","product":"windows_server_2003"},{"vendor":"microsoft","product":"windows_server_2008"}],"references":[{"url":"http://www.us-cert.gov/cas/techalerts/TA09-342A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-070","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5882","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2508"},{"url":"https://github.com/advisories/GHSA-cm69-ppm8-q566"}],"sources":{"cve":[{"id":"CVE-2009-2508","description":"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.\"","status":"published","published":"2009-12-09T18:00:00Z","modified":"2024-08-07T05:52:14.749Z","updated_at":"2026-11-02T14:33:23.041383Z"}],"euvd":[{"id":"EUVD-2009-2503","description":"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.\"","status":"published","published":"2009-12-09T18:00:00Z","modified":"2024-08-07T05:52:14Z","updated_at":"2026-11-03T01:39:17.521372Z"}],"ghsa":[{"id":"GHSA-cm69-ppm8-q566","title":"The single sign-on implementation in Active Directory Federation Services (ADFS) in Microsoft...","description":"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.\"","status":"published","published":"2022-05-02T03:36:00Z","modified":"2023-01-31T05:07:57Z","updated_at":"2026-11-02T14:49:18.423365Z"}],"nvd":[{"id":"CVE-2009-2508","description":"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.\"","status":"published","published":"2009-12-09T18:30:00.343Z","modified":"2026-06-16T23:09:36.38Z","cvss":[{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:01:37.939838Z"}]}}