{"api_version":"1","generated_at":"2026-04-23T03:06:19+00:00","cve":"CVE-2021-29842","urls":{"html":"https://cve.report/CVE-2021-29842","api":"https://cve.report/api/cve/CVE-2021-29842.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-29842","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-29842"},"summary":{"title":"CVE-2021-29842","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202.","state":"PUBLIC","assigner":"psirt@us.ibm.com","published_at":"2021-09-16 16:15:00","updated_at":"2021-09-27 19:43:00"},"problem_types":["CWE-307"],"metrics":[],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/205202","name":"ibm-websphere-cve202129842-info-disc (205202)","refsource":"XF","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"404"},{"url":"https://www.ibm.com/support/pages/node/6489485","name":"https://www.ibm.com/support/pages/node/6489485","refsource":"CONFIRM","tags":[],"title":"Security Bulletin:  WebSphere Application Server is vulnerable to Information Disclosure (CVE-2021-29842)","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-29842","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29842","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"29842","vulnerable":"1","versionEndIncluding":"21.0.0.9","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"websphere_application_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"liberty","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"29842","vulnerable":"1","versionEndIncluding":"7.0.0.45","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"websphere_application_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"29842","vulnerable":"1","versionEndIncluding":"8.0.0.15","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"websphere_application_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"29842","vulnerable":"1","versionEndIncluding":"8.5.5.20","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"websphere_application_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"29842","vulnerable":"1","versionEndIncluding":"9.0.5.9","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"websphere_application_server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-29842","qid":"376263","title":"IBM MQ Multiple Vulnerabilities (6527792)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_format":"MITRE","CVE_data_meta":{"STATE":"PUBLIC","ASSIGNER":"psirt@us.ibm.com","ID":"CVE-2021-29842","DATE_PUBLIC":"2021-09-15T00:00:00"},"references":{"reference_data":[{"refsource":"CONFIRM","name":"https://www.ibm.com/support/pages/node/6489485","url":"https://www.ibm.com/support/pages/node/6489485","title":"IBM Security Bulletin 6489485 (WebSphere Application Server Liberty)"},{"refsource":"XF","name":"ibm-websphere-cve202129842-info-disc (205202)","title":"X-Force Vulnerability Report","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/205202"}]},"impact":{"cvssv3":{"TM":{"RL":"O","E":"U","RC":"C"},"BM":{"SCORE":"3.700","AC":"H","C":"L","A":"N","S":"U","UI":"N","PR":"N","AV":"N","I":"N"}}},"description":{"description_data":[{"lang":"eng","value":"IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202."}]},"data_type":"CVE","affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"version":{"version_data":[{"version_value":"7.0"},{"version_value":"8.0"},{"version_value":"8.5"},{"version_value":"9.0"}]},"product_name":"WebSphere Application Server"},{"version":{"version_data":[{"version_value":"17.0.0.3"},{"version_value":"21.0.0.9"}]},"product_name":"WebSphere Application Server Liberty"}]},"vendor_name":"IBM"}]}},"problemtype":{"problemtype_data":[{"description":[{"value":"Obtain Information","lang":"eng"}]}]}},"nvd":{"publishedDate":"2021-09-16 16:15:00","lastModifiedDate":"2021-09-27 19:43:00","problem_types":["CWE-307"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"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:*:*:*:*:*:*:*:*","versionStartIncluding":"8.0.0.0","versionEndIncluding":"8.0.0.15","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0.0","versionEndIncluding":"7.0.0.45","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*","versionStartIncluding":"17.0.0.3","versionEndIncluding":"21.0.0.9","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0.0","versionEndIncluding":"9.0.5.9","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*","versionStartIncluding":"8.5","versionEndIncluding":"8.5.5.20","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"29842","Ordinal":"205072","Title":"CVE-2021-29842","CVE":"CVE-2021-29842","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"29842","Ordinal":"1","NoteData":"IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"29842","Ordinal":"2","NoteData":"2021-09-16","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"29842","Ordinal":"3","NoteData":"2021-09-16","Type":"Other","Title":"Modified"}]}}}