{"api_version":"1","generated_at":"2026-04-23T19:31:17+00:00","cve":"CVE-2017-1000071","urls":{"html":"https://cve.report/CVE-2017-1000071","api":"https://cve.report/api/cve/CVE-2017-1000071.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-1000071","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000071"},"summary":{"title":"CVE-2017-1000071","description":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2017-07-17 13:18:00","updated_at":"2019-10-03 00:03:00"},"problem_types":["CWE-287"],"metrics":[],"references":[{"url":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog","name":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"phpCAS/ChangeLog at master · apereo/phpCAS · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/Jasig/phpCAS/issues/228","name":"https://github.com/Jasig/phpCAS/issues/228","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Authentication bypass in validateCAS20 · Issue #228 · apereo/phpCAS · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/99609","name":"99609","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"phpCAS CVE-2017-1000071 Authentication Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-1000071","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000071","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"1000071","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apereo","cpe5":"phpcas","cpe6":"1.3.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"1000071","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apereo","cpe5":"phpcas","cpe6":"1.3.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","DATE_ASSIGNED":"2017-05-06T20:43:28.321638","ID":"CVE-2017-1000071","REQUESTER":"huyngocbk@gmail.com","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":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog","refsource":"CONFIRM","url":"https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog"},{"name":"99609","refsource":"BID","url":"http://www.securityfocus.com/bid/99609"},{"name":"https://github.com/Jasig/phpCAS/issues/228","refsource":"CONFIRM","url":"https://github.com/Jasig/phpCAS/issues/228"}]}},"nvd":{"publishedDate":"2017-07-17 13:18:00","lastModifiedDate":"2019-10-03 00:03:00","problem_types":["CWE-287"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:apereo:phpcas:1.3.4:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"1000071","Ordinal":"108255","Title":"CVE-2017-1000071","CVE":"CVE-2017-1000071","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"1000071","Ordinal":"1","NoteData":"Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"1000071","Ordinal":"2","NoteData":"2017-07-13","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"1000071","Ordinal":"3","NoteData":"2017-07-18","Type":"Other","Title":"Modified"}]}}}