{"api_version":"1","generated_at":"2026-07-23T23:57:31+00:00","cve":"CVE-2002-0862","urls":{"html":"https://cve.report/CVE-2002-0862","api":"https://cve.report/api/cve/CVE-2002-0862.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2002-0862","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2002-0862"},"summary":{"title":"CVE-2002-0862","description":"The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS.","state":"PUBLISHED","assigner":"mitre","published_at":"2002-10-04 04:00:00","updated_at":"2025-04-03 01:03:51"},"problem_types":["CWE-295","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.8","severity":"","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671","name":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"title":"Repository  /  Oval Repository","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056","name":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"title":"Repository  /  Oval Repository","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://marc.info/?l=bugtraq&m=102976967730450&w=2","name":"http://marc.info/?l=bugtraq&m=102976967730450&w=2","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"title":"'Insufficient Verification of Client Certificates in IIS 5.0 pre sp3' - MARC","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332","name":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"title":"Repository  /  Oval Repository","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050","name":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"Microsoft Security Bulletin MS02-050 - Important | Microsoft Docs","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9776","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9776","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://marc.info/?l=bugtraq&m=102866120821995&w=2","name":"http://marc.info/?l=bugtraq&m=102866120821995&w=2","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"title":"'IE SSL Vulnerability' - MARC","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://marc.info/?l=bugtraq&m=102918200405308&w=2","name":"http://marc.info/?l=bugtraq&m=102918200405308&w=2","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"],"title":"'IE SSL Exploit' - MARC","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2002-0862","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0862","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2002","cve_id":"862","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"macos","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":"internet_explorer","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":"office","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":"outlook_express","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_2000","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_98","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_98se","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_me","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_nt","cpe6":"4.0","cpe7":"-","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_nt","cpe6":"4.0","cpe7":"-","cpe8":"*","cpe9":"*","cpe10":"terminal_server","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"862","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_xp","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-08T03:03:49.357Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"oval:org.mitre.oval:def:1332","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332"},{"name":"20020812 IE SSL Exploit","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"],"url":"http://marc.info/?l=bugtraq&m=102918200405308&w=2"},{"name":"oval:org.mitre.oval:def:1056","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056"},{"name":"20020805 IE SSL Vulnerability","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"],"url":"http://marc.info/?l=bugtraq&m=102866120821995&w=2"},{"name":"ssl-ca-certificate-spoofing(9776)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9776"},{"name":"20020819 Insufficient Verification of Client Certificates in IIS 5.0 pre sp3","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"],"url":"http://marc.info/?l=bugtraq&m=102976967730450&w=2"},{"name":"oval:org.mitre.oval:def:2671","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671"},{"name":"MS02-050","tags":["vendor-advisory","x_refsource_MS","x_transferred"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2002-08-05T00:00:00.000Z","descriptions":[{"lang":"en","value":"The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2018-10-12T19:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"oval:org.mitre.oval:def:1332","tags":["vdb-entry","signature","x_refsource_OVAL"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332"},{"name":"20020812 IE SSL Exploit","tags":["mailing-list","x_refsource_BUGTRAQ"],"url":"http://marc.info/?l=bugtraq&m=102918200405308&w=2"},{"name":"oval:org.mitre.oval:def:1056","tags":["vdb-entry","signature","x_refsource_OVAL"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056"},{"name":"20020805 IE SSL Vulnerability","tags":["mailing-list","x_refsource_BUGTRAQ"],"url":"http://marc.info/?l=bugtraq&m=102866120821995&w=2"},{"name":"ssl-ca-certificate-spoofing(9776)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9776"},{"name":"20020819 Insufficient Verification of Client Certificates in IIS 5.0 pre sp3","tags":["mailing-list","x_refsource_BUGTRAQ"],"url":"http://marc.info/?l=bugtraq&m=102976967730450&w=2"},{"name":"oval:org.mitre.oval:def:2671","tags":["vdb-entry","signature","x_refsource_OVAL"],"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671"},{"name":"MS02-050","tags":["vendor-advisory","x_refsource_MS"],"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2002-0862","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"oval:org.mitre.oval:def:1332","refsource":"OVAL","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332"},{"name":"20020812 IE SSL Exploit","refsource":"BUGTRAQ","url":"http://marc.info/?l=bugtraq&m=102918200405308&w=2"},{"name":"oval:org.mitre.oval:def:1056","refsource":"OVAL","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056"},{"name":"20020805 IE SSL Vulnerability","refsource":"BUGTRAQ","url":"http://marc.info/?l=bugtraq&m=102866120821995&w=2"},{"name":"ssl-ca-certificate-spoofing(9776)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9776"},{"name":"20020819 Insufficient Verification of Client Certificates in IIS 5.0 pre sp3","refsource":"BUGTRAQ","url":"http://marc.info/?l=bugtraq&m=102976967730450&w=2"},{"name":"oval:org.mitre.oval:def:2671","refsource":"OVAL","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671"},{"name":"MS02-050","refsource":"MS","url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2002-0862","datePublished":"2002-09-10T04:00:00.000Z","dateReserved":"2002-08-15T00:00:00.000Z","dateUpdated":"2024-08-08T03:03:49.357Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2002-10-04 04:00:00","lastModifiedDate":"2025-04-03 01:03:51","problem_types":["CWE-295","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":true,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*","matchCriteriaId":"685F1981-EA61-4A00-89F8-A748A88962F8"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_98:-:*:*:*:*:*:*:*","matchCriteriaId":"40FC681A-7B85-4495-8DCC-C459FE7E2F13"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_98se:-:*:*:*:*:*:*:*","matchCriteriaId":"A2354216-8103-49F9-A95C-7DE4F738BBEE"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_me:-:*:*:*:*:*:*:*","matchCriteriaId":"5E44D629-D3EB-4F67-BF67-B25910453562"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:-:*:*:*","matchCriteriaId":"4C5FEF8F-FB20-4518-A9ED-412B8E924AA2"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:terminal_server:*:*:*","matchCriteriaId":"E30F6C9C-3371-44FF-AD0B-3CAA0AB6F1B8"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:*","matchCriteriaId":"B47EBFCC-1828-45AB-BC6D-FB980929A81A"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:internet_explorer:-:*:*:*:*:*:*:*","matchCriteriaId":"C37BA825-679F-4257-9F2B-CE2318B75396"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:office:-:*:*:*:*:*:*:*","matchCriteriaId":"2C6AE930-8EFD-4EE5-AD18-A1205B80DE60"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:outlook_express:-:*:*:*:*:*:*:*","matchCriteriaId":"DC52CAA4-467E-402C-BC60-AB322FC5786F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*","matchCriteriaId":"387021A0-AF36-463C-A605-32EA7DAC172E"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2002","CveId":"862","Ordinal":"1","Title":"CVE-2002-0862","CVE":"CVE-2002-0862","Year":"2002"},"notes":[{"CveYear":"2002","CveId":"862","Ordinal":"1","NoteData":"The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS.","Type":"Description","Title":"CVE-2002-0862"},{"CveYear":"2002","CveId":"862","Ordinal":"2","NoteData":"2002-09-10","Type":"Other","Title":"Published"},{"CveYear":"2002","CveId":"862","Ordinal":"3","NoteData":"2018-10-12","Type":"Other","Title":"Modified"}]}}}