{"api_version":"1","generated_at":"2026-04-22T19:04:51+00:00","cve":"CVE-2018-3721","urls":{"html":"https://cve.report/CVE-2018-3721","api":"https://cve.report/api/cve/CVE-2018-3721.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-3721","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-3721"},"summary":{"title":"CVE-2018-3721","description":"lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of \"Object\" via __proto__, causing the addition or modification of an existing property that will exist on all objects.","state":"PUBLIC","assigner":"support@hackerone.com","published_at":"2018-06-07 02:29:00","updated_at":"2019-10-03 00:03:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://security.netapp.com/advisory/ntap-20190919-0004/","name":"https://security.netapp.com/advisory/ntap-20190919-0004/","refsource":"CONFIRM","tags":[],"title":"September 2019 Lodash Vulnerabilities in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://hackerone.com/reports/310443","name":"https://hackerone.com/reports/310443","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"HackerOne","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/lodash/lodash/commit/d8e069cc3410082e44eb18fcf8e7f3d08ebe1d4a","name":"https://github.com/lodash/lodash/commit/d8e069cc3410082e44eb18fcf8e7f3d08ebe1d4a","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Avoid merging properties on to __proto__ objects. · lodash/lodash@d8e069c · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-3721","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3721","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"3721","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lodash","cpe5":"lodash","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"3721","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"lodash","cpe5":"lodash","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2018-3721","qid":"983158","title":"Nodejs (npm) Security Update for lodash (GHSA-fvqr-27wr-82fm)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"support@hackerone.com","DATE_PUBLIC":"2018-04-26T00:00:00","ID":"CVE-2018-3721","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"lodash node module","version":{"version_data":[{"version_value":"Versions before 4.17.5"}]}}]},"vendor_name":"HackerOne"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of \"Object\" via __proto__, causing the addition or modification of an existing property that will exist on all objects."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Modification of Assumed-Immutable Data (MAID) (CWE-471)"}]}]},"references":{"reference_data":[{"name":"https://hackerone.com/reports/310443","refsource":"MISC","url":"https://hackerone.com/reports/310443"},{"name":"https://github.com/lodash/lodash/commit/d8e069cc3410082e44eb18fcf8e7f3d08ebe1d4a","refsource":"MISC","url":"https://github.com/lodash/lodash/commit/d8e069cc3410082e44eb18fcf8e7f3d08ebe1d4a"},{"refsource":"CONFIRM","name":"https://security.netapp.com/advisory/ntap-20190919-0004/","url":"https://security.netapp.com/advisory/ntap-20190919-0004/"}]}},"nvd":{"publishedDate":"2018-06-07 02:29:00","lastModifiedDate":"2019-10-03 00:03:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","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:P/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":2.9,"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:lodash:lodash:*:*:*:*:*:node.js:*:*","versionEndExcluding":"4.17.5","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"3721","Ordinal":"119548","Title":"CVE-2018-3721","CVE":"CVE-2018-3721","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"3721","Ordinal":"1","NoteData":"lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of \"Object\" via __proto__, causing the addition or modification of an existing property that will exist on all objects.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"3721","Ordinal":"2","NoteData":"2018-06-06","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"3721","Ordinal":"3","NoteData":"2019-09-19","Type":"Other","Title":"Modified"}]}}}