CVE-2021-1619 – Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability
https://notcve.org/view.php?id=CVE-2021-1619
A vulnerability in the authentication, authorization, and accounting (AAA) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass NETCONF or RESTCONF authentication and do either of the following: Install, manipulate, or delete the configuration of an affected device Cause memory corruption that results in a denial of service (DoS) on an affected device This vulnerability is due to an uninitialized variable. An attacker could exploit this vulnerability by sending a series of NETCONF or RESTCONF requests to an affected device. A successful exploit could allow the attacker to use NETCONF or RESTCONF to install, manipulate, or delete the configuration of a network device or to corrupt memory on the device, resulting a DoS. Una vulnerabilidad en la función de autenticación, autorización y contabilidad (AAA) de Cisco IOS XE Software podría permitir a un atacante remoto no autenticado omitir la autenticación NETCONF o RESTCONF y realizar cualquiera de las siguientes acciones Instalar, manipular o eliminar la configuración de un dispositivo afectado. Causar una corrupción de la memoria que resulte en una denegación de servicio (DoS) en un dispositivo afectado. • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aaa-Yx47ZT8Q • CWE-824: Access of Uninitialized Pointer CWE-908: Use of Uninitialized Resource •
CVE-2016-6381
https://notcve.org/view.php?id=CVE-2016-6381
Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382. Cisco IOS 12.4 y 15.0 hasta la versión 15.6 y IOS XE 3.1 hasta la versión 3.18 y 16.1 permiten a atacantes remotos provocar una denegación de servicio (consumo de memoria y recarga de dispositivo) a través paquetes IKEv1 fragmentados, vulnerabilidad también conocida como Bug ID CSCuy47382. • http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ios-ikev1 http://www.securityfocus.com/bid/93195 http://www.securitytracker.com/id/1036914 • CWE-399: Resource Management Errors •
CVE-2016-6386
https://notcve.org/view.php?id=CVE-2016-6386
Cisco IOS XE 3.1 through 3.17 and 16.1 on 64-bit platforms allows remote attackers to cause a denial of service (data-structure corruption and device reload) via fragmented IPv4 packets, aka Bug ID CSCux66005. Cisco IOS XE 3.1 hasta la versión 3.17 y 16.1 en plataformas de 64-bit permite a atacantes remotos provocar una denegación de servicio (corrupción de la estructura de datos y recarga de dispositivo) a través de paquetes IPv4 fragmentados, vulnerabilidad también conocida como Bug ID CSCux66005. • http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-frag http://www.securityfocus.com/bid/93202 http://www.securitytracker.com/id/1036914 • CWE-399: Resource Management Errors •