{"api_version":"1","generated_at":"2026-07-23T10:26:43+00:00","cve":"CVE-2020-7707","urls":{"html":"https://cve.report/CVE-2020-7707","api":"https://cve.report/api/cve/CVE-2020-7707.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-7707","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-7707"},"summary":{"title":"CVE-2020-7707","description":"The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.","state":"PUBLIC","assigner":"report@snyk.io","published_at":"2020-08-18 14:15:00","updated_at":"2022-12-02 19:55:00"},"problem_types":["CWE-1321"],"metrics":[],"references":[{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857","name":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857","refsource":"MISC","tags":["Broken Link"],"title":"Prototype Pollution in org.webjars.npm:property-expr | Snyk","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800","name":"https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800","refsource":"MISC","tags":["Broken Link"],"title":"Prototype Pollution in property-expr | Snyk","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7","name":"https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"fix: prototype polution vector · jquense/expr@df84691 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-7707","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7707","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"NerdJS","lang":""}],"nvd_cpes":[{"cve_year":"2020","cve_id":"7707","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"property-expr_project","cpe5":"property-expr","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"7707","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"property-expr_project","cpe5":"property-expr","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"node.js","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-7707","qid":"981854","title":"Nodejs (npm) Security Update for property-expr (GHSA-6fw4-hr69-g3rv)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ASSIGNER":"report@snyk.io","DATE_PUBLIC":"2020-08-18T13:38:04.418000Z","ID":"CVE-2020-7707","STATE":"PUBLIC","TITLE":"Prototype Pollution"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"property-expr","version":{"version_data":[{"version_affected":"<","version_value":"2.0.3"}]}}]},"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-PROPERTYEXPR-598800","name":"https://snyk.io/vuln/SNYK-JS-PROPERTYEXPR-598800"},{"refsource":"MISC","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857","name":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-598857"},{"refsource":"MISC","url":"https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7","name":"https://github.com/jquense/expr/commit/df846910915d59f711ce63c1f817815bceab5ff7"}]},"description":{"description_data":[{"lang":"eng","value":"The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function."}]},"impact":{"cvss":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},"credit":[{"lang":"eng","value":"NerdJS"}]},"nvd":{"publishedDate":"2020-08-18 14:15:00","lastModifiedDate":"2022-12-02 19:55:00","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:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"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:property-expr_project:property-expr:*:*:*:*:*:node.js:*:*","versionEndExcluding":"2.0.3","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"7707","Ordinal":"167988","Title":"CVE-2020-7707","CVE":"CVE-2020-7707","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"7707","Ordinal":"1","NoteData":"The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"7707","Ordinal":"2","NoteData":"2020-08-18","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"7707","Ordinal":"3","NoteData":"2020-08-18","Type":"Other","Title":"Modified"}]}}}