CVE-2007-2999

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_2003_server:gold:*:*:*:*:*:*:*", "matchCriteriaId": "B058588A-88F3-4789-8EA9-0D37447B08CA", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_2003_server:sp1:*:*:*:*:*:*:*", "matchCriteriaId": "644E2E89-F3E3-4383-B460-424D724EE62F", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_2003_server:sp2:*:*:*:*:*:*:*", "matchCriteriaId": "377F7D0C-6B44-4B90-BF90-DAF959880C6D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Microsoft Windows Server 2003, cuando las restricciones de tiempo est\u00e1n en efecto para las cuentas del usuario, genera diversos mensajes de error para las tentativas falladas de conexi\u00f3n con un nombre v\u00e1lido de usuario que para aquellos que tengan un nombre inv\u00e1lido de usuario, permite que los atacantes dependientes del contexto determinen nombres de cuenta activos v\u00e1lidos del directorio."}], "id": "CVE-2007-2999", "lastModified": "2026-06-16T22:40:51.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 1.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:A/AC:H/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.2, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2007-06-04T17:30:00.000", "references": [{"source": "cve@mitre.org", "url": "http://osvdb.org/36138"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/25457"}, {"source": "cve@mitre.org", "url": "http://www.notsosecure.com/folder2/2007/05/27/logon-time-restrictions-in-a-domain-in-windows-server-2003-allows-username-enumeration/"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/24248"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/36138"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/25457"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.notsosecure.com/folder2/2007/05/27/logon-time-restrictions-in-a-domain-in-windows-server-2003-allows-username-enumeration/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/24248"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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