{"api_version":"1","generated_at":"2026-07-23T12:47:13+00:00","cve":"CVE-2020-7792","urls":{"html":"https://cve.report/CVE-2020-7792","api":"https://cve.report/api/cve/CVE-2020-7792.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-7792","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-7792"},"summary":{"title":"CVE-2020-7792","description":"This affects all versions of package mout. The deepFillIn function can be used to 'fill missing properties recursively', while the deepMixIn 'mixes objects into the target object, recursively mixing existing child objects as well'. In both cases, the key used to access the target object recursively is not checked, leading to a Prototype Pollution.","state":"PUBLIC","assigner":"report@snyk.io","published_at":"2020-12-11 11:15:00","updated_at":"2022-06-28 14:11:00"},"problem_types":["CWE-1321"],"metrics":[],"references":[{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050373","name":"N/A","refsource":"CONFIRM","tags":["Exploit","Third Party Advisory"],"title":"Prototype Pollution in org.webjars.npm:mout | Snyk","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/mout/mout/blob/master/src/object/deepFillIn.js","name":"N/A","refsource":"CONFIRM","tags":["Exploit","Third Party Advisory"],"title":"mout/deepFillIn.js at master · mout/mout · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/mout/mout/blob/master/src/object/deepMixIn.js","name":"N/A","refsource":"CONFIRM","tags":["Exploit","Third Party Advisory"],"title":"mout/deepMixIn.js at master · mout/mout · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://snyk.io/vuln/SNYK-JS-MOUT-1014544","name":"N/A","refsource":"CONFIRM","tags":["Exploit","Third Party Advisory"],"title":"Prototype Pollution in mout | Snyk","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1050374","name":"N/A","refsource":"CONFIRM","tags":["Exploit","Third Party Advisory"],"title":"Prototype Pollution in org.webjars:mout | Snyk","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-7792","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7792","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Alessio Della Libera (d3lla)","lang":""}],"nvd_cpes":[{"cve_year":"2020","cve_id":"7792","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"moutjs","cpe5":"mout","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"7792","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"moutjs","cpe5":"mout","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ASSIGNER":"report@snyk.io","DATE_PUBLIC":"2020-12-11T11:01:29.064260Z","ID":"CVE-2020-7792","STATE":"PUBLIC","TITLE":"Prototype Pollution"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"mout","version":{"version_data":[{"version_affected":">=","version_value":"0"}]}}]},"vendor_name":"n/a"}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Prototype Pollution"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://snyk.io/vuln/SNYK-JS-MOUT-1014544","name":"https://snyk.io/vuln/SNYK-JS-MOUT-1014544"},{"refsource":"MISC","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050373","name":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050373"},{"refsource":"MISC","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1050374","name":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1050374"},{"refsource":"MISC","url":"https://github.com/mout/mout/blob/master/src/object/deepFillIn.js","name":"https://github.com/mout/mout/blob/master/src/object/deepFillIn.js"},{"refsource":"MISC","url":"https://github.com/mout/mout/blob/master/src/object/deepMixIn.js","name":"https://github.com/mout/mout/blob/master/src/object/deepMixIn.js"}]},"description":{"description_data":[{"lang":"eng","value":"This affects all versions of package mout. The deepFillIn function can be used to 'fill missing properties recursively', while the deepMixIn 'mixes objects into the target object, recursively mixing existing child objects as well'. In both cases, the key used to access the target object recursively is not checked, leading to a Prototype Pollution."}]},"impact":{"cvss":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},"credit":[{"lang":"eng","value":"Alessio Della Libera (d3lla)"}]},"nvd":{"publishedDate":"2020-12-11 11:15:00","lastModifiedDate":"2022-06-28 14:11:00","problem_types":["CWE-1321"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"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:moutjs:mout:*:*:*:*:*:node.js:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"7792","Ordinal":"168073","Title":"CVE-2020-7792","CVE":"CVE-2020-7792","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"7792","Ordinal":"1","NoteData":"This affects all versions of package mout. The deepFillIn function can be used to 'fill missing properties recursively', while the deepMixIn 'mixes objects into the target object, recursively mixing existing child objects as well'. In both cases, the key used to access the target object recursively is not checked, leading to a Prototype Pollution.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"7792","Ordinal":"2","NoteData":"2020-12-11","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"7792","Ordinal":"3","NoteData":"2020-12-11","Type":"Other","Title":"Modified"}]}}}