{"api_version":"1","generated_at":"2026-07-23T08:42:53+00:00","cve":"CVE-2017-0248","urls":{"html":"https://cve.report/CVE-2017-0248","api":"https://cve.report/api/cve/CVE-2017-0248.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-0248","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-0248"},"summary":{"title":"CVE-2017-0248","description":"Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka \".NET Security Feature Bypass Vulnerability.\"","state":"PUBLISHED","assigner":"microsoft","published_at":"2017-05-12 14:29:03","updated_at":"2025-04-20 01:37:25"},"problem_types":["CWE-295","Security Feature Bypass"],"metrics":[{"version":"3.0","source":"nvd@nist.gov","type":"Primary","score":"7.5","severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"}}],"references":[{"url":"http://www.securitytracker.com/id/1038458","name":"http://www.securitytracker.com/id/1038458","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Microsoft .NET Lets Remote Users Bypass Certificate Use Restrictions on the Target System - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248","name":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"{{windowTitle}}","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/98117","name":"http://www.securityfocus.com/bid/98117","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"Microsoft .NET Framework CVE-2017-0248 Security Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-0248","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-0248","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Microsoft Corporation","product":"Microsoft .NET Framework","version":"affected Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"2.0","cpe7":"sp2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"3.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"3.5.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.5.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.6.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.6.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"248","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":".net_framework","cpe6":"4.7","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2017-0248","qid":"982827","title":"Dotnet (nuget) Security Update for Microsoft.AspNetCore.Mvc.WebApiCompatShim (GHSA-ch6p-4jcm-h8vh)"}]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-05T12:55:19.143Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248"},{"name":"98117","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/98117"},{"name":"1038458","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id/1038458"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"Microsoft .NET Framework","vendor":"Microsoft Corporation","versions":[{"status":"affected","version":"Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7"}]}],"datePublic":"2017-05-09T00:00:00.000Z","descriptions":[{"lang":"en","value":"Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka \".NET Security Feature Bypass Vulnerability.\""}],"problemTypes":[{"descriptions":[{"description":"Security Feature Bypass","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-07-07T09:57:01.000Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248"},{"name":"98117","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/98117"},{"name":"1038458","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id/1038458"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2017-0248","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Microsoft .NET Framework","version":{"version_data":[{"version_value":"Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7"}]}}]},"vendor_name":"Microsoft Corporation"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka \".NET Security Feature Bypass Vulnerability.\""}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Security Feature Bypass"}]}]},"references":{"reference_data":[{"name":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248","refsource":"CONFIRM","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248"},{"name":"98117","refsource":"BID","url":"http://www.securityfocus.com/bid/98117"},{"name":"1038458","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1038458"}]}}}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2017-0248","datePublished":"2017-05-12T14:00:00.000Z","dateReserved":"2016-09-09T00:00:00.000Z","dateUpdated":"2024-08-05T12:55:19.143Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2017-05-12 14:29:03","lastModifiedDate":"2025-04-20 01:37:25","problem_types":["CWE-295","Security Feature Bypass"],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","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:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*","matchCriteriaId":"42A6DF09-B8E1-414D-97E7-453566055279"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*","matchCriteriaId":"E039CE1F-B988-4741-AE2E-5B36E2AF9688"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*","matchCriteriaId":"8EDC4407-7E92-4E60-82F0-0C87D1860D3A"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*","matchCriteriaId":"40B3A045-B08A-44E0-91BE-726753F6A362"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*","matchCriteriaId":"280FE663-23BE-45D2-9B31-5F577E390B48"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*","matchCriteriaId":"FF0B660D-1F30-4D45-B98B-726EDB8CB90F"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*","matchCriteriaId":"A16AD2B0-2189-4E8E-B7FC-CE598CA1CB2D"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*","matchCriteriaId":"734112B3-1383-4BE3-8721-C0F84566B764"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"248","Ordinal":"1","Title":"CVE-2017-0248","CVE":"CVE-2017-0248","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"248","Ordinal":"1","NoteData":"Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka \".NET Security Feature Bypass Vulnerability.\"","Type":"Description","Title":"CVE-2017-0248"},{"CveYear":"2017","CveId":"248","Ordinal":"2","NoteData":"2017-05-12","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"248","Ordinal":"3","NoteData":"2017-07-07","Type":"Other","Title":"Modified"}]}}}