{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T03:32:49.467","vulnerabilities":[{"cve":{"id":"CVE-2021-23435","sourceIdentifier":"report@snyk.io","published":"2021-09-12T20:15:07.443","lastModified":"2024-11-21T05:51:45.263","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com)."},{"lang":"es","value":"Esto afecta al paquete clearance versiones anteriores a 2.5.0. La vulnerabilidad puede ser posible cuando los usuarios son capaces de establecer el valor de session[:return_to]. Si el valor usado para return_to contiene múltiples barras inclinadas (/////example.com) el usuario acaba siendo redirigido al dominio externo que viene después de las barras (http://example.com)"}],"metrics":{"cvssMetricV31":[{"source":"report@snyk.io","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","baseScore":7.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":4.7},{"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":"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:thoughtbot:clearance:*:*:*:*:*:*:*:*","versionEndExcluding":"2.5.0","matchCriteriaId":"DA5DD45E-7578-4DD7-9105-F2CBC8A35649"}]}]}],"references":[{"url":"https://github.com/thoughtbot/clearance/pull/945","source":"report@snyk.io","tags":["Patch","Third Party Advisory"]},{"url":"https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284","source":"report@snyk.io","tags":["Third Party Advisory"]},{"url":"https://github.com/thoughtbot/clearance/pull/945","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://snyk.io/vuln/SNYK-RUBY-CLEARANCE-1577284","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}