{"api_version":"1","generated_at":"2026-07-23T12:06:24+00:00","cve":"CVE-2020-4590","urls":{"html":"https://cve.report/CVE-2020-4590","api":"https://cve.report/api/cve/CVE-2020-4590.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-4590","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-4590"},"summary":{"title":"CVE-2020-4590","description":"IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack conducted by an authenticated client. IBM X-Force ID: 184650.","state":"PUBLIC","assigner":"psirt@us.ibm.com","published_at":"2020-09-21 15:15:00","updated_at":"2020-09-28 19:31:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://www.ibm.com/support/pages/node/6333623","name":"https://www.ibm.com/support/pages/node/6333623","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"Security Bulletin: Denial of service vulnerability in WebSphere Application Server Liberty (CVE-2020-4590)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184650","name":"ibm-websphere-cve20204590-dos (184650)","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-2020-4590","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4590","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"4590","vulnerable":"1","versionEndIncluding":"20.0.0.9","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"websphere_application_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"liberty","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","impact":{"cvssv3":{"BM":{"S":"U","UI":"N","AC":"H","C":"N","PR":"L","SCORE":"5.300","I":"N","AV":"N","A":"H"},"TM":{"RC":"C","RL":"O","E":"U"}}},"data_version":"4.0","description":{"description_data":[{"value":"IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack conducted by an authenticated client. IBM X-Force ID: 184650.","lang":"eng"}]},"CVE_data_meta":{"ASSIGNER":"psirt@us.ibm.com","DATE_PUBLIC":"2020-09-16T00:00:00","STATE":"PUBLIC","ID":"CVE-2020-4590"},"references":{"reference_data":[{"title":"IBM Security Bulletin 6333623 (WebSphere Application Server Liberty)","name":"https://www.ibm.com/support/pages/node/6333623","refsource":"CONFIRM","url":"https://www.ibm.com/support/pages/node/6333623"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184650","title":"X-Force Vulnerability Report","name":"ibm-websphere-cve20204590-dos (184650)","refsource":"XF"}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"IBM","product":{"product_data":[{"version":{"version_data":[{"version_value":"17.0.0.3"},{"version_value":"20.0.0.9"}]},"product_name":"WebSphere Application Server Liberty"}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Denial of Service"}]}]}},"nvd":{"publishedDate":"2020-09-21 15:15:00","lastModifiedDate":"2020-09-28 19:31:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":2.9,"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:websphere_application_server:*:*:*:*:liberty:*:*:*","versionStartIncluding":"17.0.0.3","versionEndIncluding":"20.0.0.9","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"4590","Ordinal":"164618","Title":"CVE-2020-4590","CVE":"CVE-2020-4590","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"4590","Ordinal":"1","NoteData":"IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack conducted by an authenticated client. IBM X-Force ID: 184650.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"4590","Ordinal":"2","NoteData":"2020-09-21","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"4590","Ordinal":"3","NoteData":"2020-09-21","Type":"Other","Title":"Modified"}]}}}