{"api_version":"1","generated_at":"2026-07-23T08:35:13+00:00","cve":"CVE-2009-2818","urls":{"html":"https://cve.report/CVE-2009-2818","api":"https://cve.report/api/cve/CVE-2009-2818.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2009-2818","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2818"},"summary":{"title":"CVE-2009-2818","description":"Adaptive Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in SSH login attempts, which makes it easier for remote attackers to obtain login access via a brute-force attack (aka dictionary attack).","state":"PUBLISHED","assigner":"mitre","published_at":"2009-11-10 19:30:01","updated_at":"2026-04-23 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00:35:47","problem_types":["CWE-264","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*","versionEndIncluding":"10.6.1","matchCriteriaId":"093B82BC-936B-404D-8F19-DBE4FEB8BB07"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.0:*:*:*:*:*:*:*","matchCriteriaId":"DB279593-17D1-4A65-BF54-969B38B74B23"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.0.0:*:*:*:*:*:*:*","matchCriteriaId":"90383DA6-C449-462B-84AD-8DC567D367ED"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.0.1:*:*:*:*:*:*:*","matchCriteriaId":"4D846700-3355-42CA-B15E-7F08F935F2B9"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.0.2:*:*:*:*:*:*:*","matchCriteriaId":"3891C974-DBDE-42AD-ADBA-C8689D0D055D"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.0.3:*:*:*:*:*:*:*","matchCriteriaId":"6A6CE48E-FB74-4F49-911D-936B09677753"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.0.4:*:*:*:*:*:*:*","matchCriteriaId":"ADAB244E-0391-49E9-B36B-A7CB34CF7152"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.1:*:*:*:*:*:*:*","matchCriteriaId":"80F5B731-D5A7-4694-9B27-CEE1DCC810EC"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.1.0:*:*:*:*:*:*:*","matchCriteriaId":"DA38FB0C-3959-4C5A-B06D-39B2A340A173"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.1.1:*:*:*:*:*:*:*","matchCriteriaId":"8D5DB7BE-FC71-4ADE-8B9F-7EA401C8CA88"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.1.2:*:*:*:*:*:*:*","matchCriteriaId":"D3E2571E-D9EB-43CD-82DD-8C813FF8D5E5"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.1.3:*:*:*:*:*:*:*","matchCriteriaId":"36F4618C-1408-4097-B97D-5F32DE6D01DF"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.1.4:*:*:*:*:*:*:*","matchCriteriaId":"5F558C40-D0DA-4700-95DA-DF1322C020E6"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.1.5:*:*:*:*:*:*:*","matchCriteriaId":"64F8F30B-E4B8-4745-AFFA-8FD620E61994"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2:*:*:*:*:*:*:*","matchCriteriaId":"00AE033B-5F16-4262-A397-02D7450189B8"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.0:*:*:*:*:*:*:*","matchCriteriaId":"02B8266D-69BB-417D-A776-DB9CF58A4C67"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.1:*:*:*:*:*:*:*","matchCriteriaId":"2E831F3E-A980-47AF-BD05-2DB1A14689B4"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.2:*:*:*:*:*:*:*","matchCriteriaId":"36991737-904F-4B26-AEE2-7B30411279E8"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.3:*:*:*:*:*:*:*","matchCriteriaId":"F7EE6036-1A18-43F1-8A92-7DF39E1516E3"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.4:*:*:*:*:*:*:*","matchCriteriaId":"620ECFC8-293D-4C2B-9698-67185BB6E2EF"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.5:*:*:*:*:*:*:*","matchCriteriaId":"C1F14A45-BDDB-4C12-9370-D5241975A928"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.6:*:*:*:*:*:*:*","matchCriteriaId":"46BC34D4-A1E8-4E01-982D-EAF03A0EB886"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.7:*:*:*:*:*:*:*","matchCriteriaId":"35932546-B614-47C0-98E6-8EF1EFE06725"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.2.8:*:*:*:*:*:*:*","matchCriteriaId":"38F17066-C090-4DD7-A1AC-D8FF70D268CE"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.3:*:*:*:*:*:*:*","matchCriteriaId":"1E997653-C744-4F1F-9948-47579AB3BED3"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.3.0:*:*:*:*:*:*:*","matchCriteriaId":"81F060C7-AC9E-4844-A430-14B3DFC90E3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.3.1:*:*:*:*:*:*:*","matchCriteriaId":"DF5A416A-F198-4B9C-8221-D36CC8A7FE5C"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.3.2:*:*:*:*:*:*:*","matchCriteriaId":"384C130F-D1A9-4482-AF20-FC81933473A3"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.3.3:*:*:*:*:*:*:*","matchCriteriaId":"E8BCD1C5-1AFC-4287-9AFD-81FB3F4F9E54"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os_x_server:10.3.4:*:*:*:*:*:*:*","matchCriteriaId":"3CA6BD2A-3022-408D-8E4F-50865996E965"},{"vulnerable":true,"criteria":"cpe:2.3:o:apple:mac_os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Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in SSH login attempts, which makes it easier for remote attackers to obtain login access via a brute-force attack (aka dictionary attack).","Type":"Description","Title":"CVE-2009-2818"},{"CveYear":"2009","CveId":"2818","Ordinal":"2","NoteData":"2009-11-10","Type":"Other","Title":"Published"},{"CveYear":"2009","CveId":"2818","Ordinal":"3","NoteData":"2009-11-17","Type":"Other","Title":"Modified"}]}}}