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"vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The example code for the digest authentication functionality (http_authentication.rb) in Ruby on Rails before 2.3.3 defines an authenticate_or_request_with_http_digest block that returns nil instead of false when the user does not exist, which allows context-dependent attackers to bypass authentication for applications that are derived from this example by sending an invalid username without a password."}, {"lang": "es", "value": "El c\u00f3digo de ejemplo para la funcionalidad de autenticaci\u00f3n digest (http_authentication.rb) en Ruby on Rails anterior a v2.3.3 define un bloque authenticate_or_request_with_http_digest que devolver\u00e1 nulo en lugar de falso cuando el usuario no existe, lo cual permite a atacantes dependiendo del contexto eludir la autenticaci\u00f3n para aplicaciones que se derivan de este ejemplo mediante el env\u00edo de un nombre de usuario no v\u00e1lido sin una contrase\u00f1a."}], "id": "CVE-2009-2422", "lastModified": "2025-04-09T00:30:58.490", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": 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