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Esta vulnerabilidad es debido a un error l\u00f3gico cuando la clave RSA es almacenada en la memoria de una plataforma de hardware que lleva a cabo criptograf\u00eda basada en hardware. Un atacante podr\u00eda explotar esta vulnerabilidad al usar un ataque de canal lateral Lenstra contra el dispositivo objetivo. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante recuperar la clave privada RSA. Las siguientes condiciones pueden observarse en un dispositivo afectado: Esta vulnerabilidad ser\u00e1 aplicada a aproximadamente el 5 por ciento de las claves RSA en un dispositivo que est\u00e9 ejecutando una versi\u00f3n vulnerable del software Cisco ASA o del software Cisco FTD; no es esperado que todas las claves RSA sean afectadas debido a c\u00e1lculos matem\u00e1ticos aplicados a la clave RSA. La clave RSA podr\u00eda ser v\u00e1lida pero tener caracter\u00edsticas espec\u00edficas que la hacen vulnerable a una posible filtraci\u00f3n de la clave privada RSA. 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