{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-11T02:25:34.917","vulnerabilities":[{"cve":{"id":"CVE-2020-7777","sourceIdentifier":"report@snyk.io","published":"2020-11-23T16:15:13.603","lastModified":"2024-11-21T05:37:47.073","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"This affects all versions of package jsen. If an attacker can control the schema file, it could run arbitrary JavaScript code on the victim machine. In the module description and README file there is no mention about the risks of untrusted schema files, so I assume that this is applicable. In particular the required field of the schema is not properly sanitized. The resulting string that is build based on the schema definition is then passed to a Function.apply();, leading to an Arbitrary Code Execution."},{"lang":"es","value":"Esto afecta a todas las versiones del paquete jsen. Si un atacante puede controlar el archivo de esquema, podría ejecutar código JavaScript arbitrario en la máquina víctima. En la descripción del módulo y el archivo README no son mencionados los riesgos de los archivos de esquema que no son confiables, así que supongo que esto es aplicable. En particular, el campo requerido del esquema no es saneado apropiadamente. La cadena resultante que es construida según la definición del esquema es pasada luego a una función Function.apply();, conllevando a una Ejecución de Código Arbitraria"}],"metrics":{"cvssMetricV31":[{"source":"report@snyk.io","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:jsen_project:jsen:*:*:*:*:*:node.js:*:*","matchCriteriaId":"513CE3A9-7F6B-4FDE-A248-7F160B474D48"}]}]}],"references":[{"url":"https://github.com/bugventure/jsen/blob/master/lib/jsen.js%23L875","source":"report@snyk.io","tags":["Broken Link"]},{"url":"https://snyk.io/vuln/SNYK-JS-JSEN-1014670","source":"report@snyk.io","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/bugventure/jsen/blob/master/lib/jsen.js%23L875","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"]},{"url":"https://snyk.io/vuln/SNYK-JS-JSEN-1014670","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}]}