{"id":"CVE-2007-2999","aliases":["EUVD-2007-2991","GHSA-cfwh-jh9q-xhc3"],"status":"published","title":"Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates...","description":"Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.","severity":{"version":"2.0","score":1.8,"vector":"AV:A/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01641,"percentile":0.76545,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-06-04T17:00:00Z","modified":"2026-06-16T22:40:51Z","products":[{"vendor":"microsoft","product":"windows_2003_server"}],"references":[{"url":"http://www.notsosecure.com/folder2/2007/05/27/logon-time-restrictions-in-a-domain-in-windows-server-2003-allows-username-enumeration/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://secunia.com/advisories/25457","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/24248","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://osvdb.org/36138","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2999"},{"url":"http://www.notsosecure.com/folder2/2007/05/27/logon-time-restrictions-in-a-domain-in-windows-server-2003-allows-username-enumeration"},{"url":"https://github.com/advisories/GHSA-cfwh-jh9q-xhc3"}],"sources":{"cve":[{"id":"CVE-2007-2999","description":"Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.","status":"published","published":"2007-06-04T17:00:00Z","modified":"2024-08-07T13:57:54.89Z","updated_at":"2026-11-02T13:32:23.14582Z"}],"euvd":[{"id":"EUVD-2007-2991","description":"Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.","status":"published","published":"2007-06-04T17:00:00Z","modified":"2024-08-07T13:57:54Z","updated_at":"2026-11-03T01:38:18.546691Z"}],"ghsa":[{"id":"GHSA-cfwh-jh9q-xhc3","title":"Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates...","description":"Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.","status":"published","published":"2022-05-01T18:09:23Z","modified":"2025-04-09T03:43:21Z","updated_at":"2026-11-02T15:00:53.859901Z"}],"nvd":[{"id":"CVE-2007-2999","description":"Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.","status":"published","published":"2007-06-04T17:30:00Z","modified":"2026-06-16T22:40:51.62Z","cvss":[{"version":"2.0","score":1.8,"vector":"AV:A/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:01:16.479378Z"}]}}