{"api_version":"1","generated_at":"2026-07-23T09:50:18+00:00","cve":"CVE-2019-20923","urls":{"html":"https://cve.report/CVE-2019-20923","api":"https://cve.report/api/cve/CVE-2019-20923.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-20923","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-20923"},"summary":{"title":"CVE-2019-20923","description":"A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which throw unhandled Javascript exceptions containing types intended to be scoped to the Javascript engine's internals. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.7.","state":"PUBLIC","assigner":"cna@mongodb.com","published_at":"2020-11-23 16:15:00","updated_at":"2024-01-23 15:15:00"},"problem_types":["NVD-CWE-Other"],"metrics":[],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-39481","name":"https://jira.mongodb.org/browse/SERVER-39481","refsource":"CONFIRM","tags":["Issue Tracking","Vendor Advisory"],"title":"[SERVER-39481] Remove unused C++ injected JS constructors - MongoDB","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-20923","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20923","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"20923","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mongodb","cpe5":"mongodb","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20923","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mongodb","cpe5":"mongodb","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cna@mongodb.com","DATE_PUBLIC":"2020-11-30T14:00:00.000Z","ID":"CVE-2019-20923","STATE":"PUBLIC","TITLE":"Crash while handling internal Javascript exception types"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"MongoDB Server","version":{"version_data":[{"version_affected":"<","version_name":"4.0","version_value":"4.0.7"}]}}]},"vendor_name":"MongoDB Inc."}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which throw unhandled Javascript exceptions containing types intended to be scoped to the Javascript engine's internals. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.7."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-749 Exposed Dangerous Method or Function"}]}]},"references":{"reference_data":[{"name":"https://jira.mongodb.org/browse/SERVER-39481","refsource":"CONFIRM","url":"https://jira.mongodb.org/browse/SERVER-39481"}]},"source":{"discovery":"INTERNAL"}},"nvd":{"publishedDate":"2020-11-23 16:15:00","lastModifiedDate":"2024-01-23 15:15:00","problem_types":["NVD-CWE-Other"],"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:mongodb:mongodb:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0.0","versionEndExcluding":"4.0.7","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"20923","Ordinal":"188020","Title":"CVE-2019-20923","CVE":"CVE-2019-20923","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"20923","Ordinal":"1","NoteData":"A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which throw unhandled Javascript exceptions containing types intended to be scoped to the Javascript engine's internals. This issue affects: MongoDB Inc. MongoDB Server v4.0 versions prior to 4.0.7.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"20923","Ordinal":"2","NoteData":"2020-11-23","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"20923","Ordinal":"3","NoteData":"2020-11-23","Type":"Other","Title":"Modified"}]}}}