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Cisco Bug IDs: CSCve66601."}, {"lang": "es", "value": "El protocolo SNMP (SimpleNetwork Management Protocol) de Cisco iOS 12.0 hasta la 12.4, 15.0 hasta la 15.6 e iOS XE 2.2 hasta la 3.17 contiene m\u00faltiples vulnerabilidades que pueden permitir una autenticaci\u00f3n a un atacante remoto para ejecutar c\u00f3digo remotamente en el sistema afectado o causar una recarga. Un atacante podr\u00eda explotar estas vulnerabilidades enviando un paquete SNMP manipulado al sistema afectado mediante IPv4 o IPv6. Solo el tr\u00e1fico directo al sistema afectado puede usarse para explotar estar vulnerabilidades. Esta vulnerabilidades son debidas a un buffer overflow en el subsistema SNMP del software afectado. Esta vulnerabilidad afecta a todas las versiones de SNMP: Versiones 1, 2c y 3. Para explotarlas en versiones 2c o anteriores, el atacante debe saber sobre la cadena comunitaria de solo lectura del SNMP del sistema afectado. 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