{"id":"CVE-2012-2551","aliases":["EUVD-2012-2537","GHSA-837r-52cj-mr4x"],"status":"published","title":"The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1...","description":"The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka \"Kerberos NULL Dereference Vulnerability.\"","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.27476,"percentile":0.98083,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2012-10-09T21:00:00Z","modified":"2026-06-16T23:41:40Z","products":[{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_server_2008"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15674","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://secunia.com/advisories/50867","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securitytracker.com/id?1027620","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-069","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securityfocus.com/bid/55778","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA12-283A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2551"},{"url":"https://github.com/advisories/GHSA-837r-52cj-mr4x"}],"sources":{"cve":[{"id":"CVE-2012-2551","description":"The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka \"Kerberos NULL Dereference Vulnerability.\"","status":"published","published":"2012-10-09T21:00:00Z","modified":"2024-08-06T19:34:25.872Z","updated_at":"2026-11-02T14:34:50.263482Z"}],"euvd":[{"id":"EUVD-2012-2537","description":"The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka \"Kerberos NULL Dereference Vulnerability.\"","status":"published","published":"2012-10-09T21:00:00Z","modified":"2024-08-06T19:34:25Z","updated_at":"2026-11-03T01:56:13.895728Z"}],"ghsa":[{"id":"GHSA-837r-52cj-mr4x","title":"The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1...","description":"The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka \"Kerberos NULL Dereference Vulnerability.\"","status":"published","published":"2022-05-13T01:15:42Z","modified":"2023-02-01T05:04:45Z","updated_at":"2026-11-02T14:50:10.892175Z"}],"nvd":[{"id":"CVE-2012-2551","description":"The server in Kerberos in Microsoft Windows Server 2008 R2 and R2 SP1, and Windows 7 Gold and SP1, allows remote attackers to cause a denial of service (NULL pointer dereference and reboot) via a crafted session request, aka \"Kerberos NULL Dereference Vulnerability.\"","status":"published","published":"2012-10-09T21:55:02.893Z","modified":"2026-06-16T23:41:40.283Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:16.115119Z"}]}}