{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T16:42:39.626","vulnerabilities":[{"cve":{"id":"CVE-2021-22963","sourceIdentifier":"support@hackerone.com","published":"2021-10-14T15:15:08.877","lastModified":"2024-11-21T05:51:01.890","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A redirect vulnerability in the fastify-static module version < 4.2.4 allows remote attackers to redirect users to arbitrary websites via a double slash // followed by a domain: http://localhost:3000//google.com/%2e%2e.The issue shows up on all the fastify-static applications that set redirect: true option. By default, it is false."},{"lang":"es","value":"Una vulnerabilidad de redirección en el módulo fastify-static versiones anteriores a 4.2.4, permite a atacantes remotos redirigir a usuarios a sitios web arbitrarios por medio de una doble barra // seguida de un dominio: http://localhost:3000//google.com/%2e%2e. El problema aparece en todas las aplicaciones fastify-static que establecen la opción redirect: true. Por defecto, es false"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","baseScore":5.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"support@hackerone.com","type":"Secondary","description":[{"lang":"en","value":"CWE-601"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-601"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:fastify:fastify-static:*:*:*:*:*:*:*:*","versionEndExcluding":"4.2.4","matchCriteriaId":"BF3A214C-ECD9-4CA4-AD5A-690F565815B2"}]}]}],"references":[{"url":"https://hackerone.com/reports/1354255","source":"support@hackerone.com","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://hackerone.com/reports/1354255","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Third Party Advisory"]}]}}]}