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The issue is caused by improper directory permissions on a certain system directory, allowing an attacker with access to this directory to create a backdoor with root privileges.\n\nThis issue affects Juniper Networks Junos OS:\n\n\n\n * All versions prior to 20.4R3-S5;\n * 21.1 versions prior to 21.1R3-S4;\n * 21.2 versions prior to 21.2R3-S4;\n * 21.3 versions prior to 21.3R3-S3;\n * 21.4 versions prior to 21.4R3-S1.\n\n\n\n\n\n\n"}, {"lang": "es", "value": "Una vulnerabilidad de permisos predeterminados incorrectos en Juniper Networks Junos OS permite que un atacante no autenticado con acceso local al dispositivo cree un backdoor con privilegios de root. El problema se debe a permisos de directorio inadecuados en un determinado directorio del sistema, lo que permite a un atacante con acceso a este directorio crear un backdoor con privilegios de root. 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