{"api_version":"1","generated_at":"2026-07-23T04:00:20+00:00","cve":"CVE-2017-16634","urls":{"html":"https://cve.report/CVE-2017-16634","api":"https://cve.report/api/cve/CVE-2017-16634.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-16634","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-16634"},"summary":{"title":"CVE-2017-16634","description":"In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method.","state":"PUBLISHED","assigner":"mitre","published_at":"2017-11-10 02:29:18","updated_at":"2025-04-20 01:37:25"},"problem_types":["CWE-287","n/a"],"metrics":[{"version":"3.0","source":"nvd@nist.gov","type":"Primary","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"7.5","severity":"","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://www.securityfocus.com/bid/101701","name":"http://www.securityfocus.com/bid/101701","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"Joomla! CVE-2017-16634 Security Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.securitytracker.com/id/1039757","name":"http://www.securitytracker.com/id/1039757","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"Joomla! Bugs Let Remote Users Obtain Potentially Sensitive Information and Bypass Two-Factor Authentication - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass","name":"https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"[20171102] - Core - 2-factor-authentication bypass","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-16634","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16634","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":"2017","cve_id":"16634","vulnerable":"1","versionEndIncluding":"3.8.1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"joomla","cpe5":"joomla\\!","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":"2024-08-05T20:27:04.402Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"101701","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/101701"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass"},{"name":"1039757","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id/1039757"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2017-11-07T00:00:00.000Z","descriptions":[{"lang":"en","value":"In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-11-12T10:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"101701","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/101701"},{"tags":["x_refsource_CONFIRM"],"url":"https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass"},{"name":"1039757","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id/1039757"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2017-16634","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":"In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"101701","refsource":"BID","url":"http://www.securityfocus.com/bid/101701"},{"name":"https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass","refsource":"CONFIRM","url":"https://developer.joomla.org/security-centre/713-20171102-core-2-factor-authentication-bypass"},{"name":"1039757","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1039757"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2017-16634","datePublished":"2017-11-09T19:00:00.000Z","dateReserved":"2017-11-06T00:00:00.000Z","dateUpdated":"2024-08-05T20:27:04.402Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2017-11-10 02:29:18","lastModifiedDate":"2025-04-20 01:37:25","problem_types":["CWE-287","n/a"],"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:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2.0","versionEndIncluding":"3.8.1","matchCriteriaId":"2707E636-7813-4665-ACF2-15621B980EA1"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"16634","Ordinal":"1","Title":"CVE-2017-16634","CVE":"CVE-2017-16634","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"16634","Ordinal":"1","NoteData":"In Joomla! before 3.8.2, a bug allowed third parties to bypass a user's 2-factor authentication method.","Type":"Description","Title":"CVE-2017-16634"},{"CveYear":"2017","CveId":"16634","Ordinal":"2","NoteData":"2017-11-09","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"16634","Ordinal":"3","NoteData":"2017-11-12","Type":"Other","Title":"Modified"}]}}}