{"api_version":"1","generated_at":"2026-07-24T20:48:48+00:00","cve":"CVE-2020-4253","urls":{"html":"https://cve.report/CVE-2020-4253","api":"https://cve.report/api/cve/CVE-2020-4253.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-4253","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-4253"},"summary":{"title":"CVE-2020-4253","description":"IBM Content Navigator 3.0CD does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 175559.","state":"PUBLIC","assigner":"psirt@us.ibm.com","published_at":"2020-03-24 16:15:00","updated_at":"2020-03-24 18:48:00"},"problem_types":["CWE-613"],"metrics":[],"references":[{"url":"https://www.ibm.com/support/pages/node/6116020","name":"https://www.ibm.com/support/pages/node/6116020","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"Security Bulletin: IBM Content Navigator is vulnerable to a session  management vulnerability.","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/175559","name":"ibm-cn-cve20204253-session-fixation (175559)","refsource":"XF","tags":["VDB Entry","Vendor Advisory"],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-4253","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4253","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"4253","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"content_navigator","cpe6":"3.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"continuous_delivery","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"4253","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"content_navigator","cpe6":"3.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"continuous_delivery","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","CVE_data_meta":{"DATE_PUBLIC":"2020-03-23T00:00:00","STATE":"PUBLIC","ID":"CVE-2020-4253","ASSIGNER":"psirt@us.ibm.com"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"IBM","product":{"product_data":[{"product_name":"Content Navigator","version":{"version_data":[{"version_value":"3.0CD"}]}}]}}]}},"impact":{"cvssv3":{"BM":{"PR":"L","AC":"L","SCORE":"6.300","A":"L","AV":"N","S":"U","UI":"N","C":"L","I":"L"},"TM":{"RL":"O","RC":"C","E":"U"}}},"problemtype":{"problemtype_data":[{"description":[{"value":"Bypass Security","lang":"eng"}]}]},"description":{"description_data":[{"lang":"eng","value":"IBM Content Navigator 3.0CD does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 175559."}]},"data_version":"4.0","data_format":"MITRE","references":{"reference_data":[{"title":"IBM Security Bulletin 6116020 (Content Navigator)","url":"https://www.ibm.com/support/pages/node/6116020","name":"https://www.ibm.com/support/pages/node/6116020","refsource":"CONFIRM"},{"title":"X-Force Vulnerability Report","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/175559","name":"ibm-cn-cve20204253-session-fixation (175559)","refsource":"XF"}]}},"nvd":{"publishedDate":"2020-03-24 16:15:00","lastModifiedDate":"2020-03-24 18:48:00","problem_types":["CWE-613"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"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:ibm:content_navigator:3.0.0:*:*:*:continuous_delivery:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"4253","Ordinal":"164281","Title":"CVE-2020-4253","CVE":"CVE-2020-4253","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"4253","Ordinal":"1","NoteData":"IBM Content Navigator 3.0CD does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 175559.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"4253","Ordinal":"2","NoteData":"2020-03-24","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"4253","Ordinal":"3","NoteData":"2020-03-24","Type":"Other","Title":"Modified"}]}}}