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CVSS: 8.6EPSS: 0%CPEs: 72EXPL: 0

A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause device packet memory to become exhausted or cause the IP SLA process to crash, resulting in a denial of service (DoS) condition. This vulnerability exists because socket creation failures are mishandled during the IP SLA and TWAMP processes. An attacker could exploit this vulnerability by sending specific IP SLA or TWAMP packets to an affected device. A successful exploit could allow the attacker to exhaust the packet memory, which will impact other processes, such as routing protocols, or crash the IP SLA process. Una vulnerabilidad en las funciones de respuesta de los Acuerdos de Nivel de Servicio IP (IP SLA) y del Protocolo de Medición Activa de Dos Vías (TWAMP) de Cisco IOS XR Software podría permitir a un atacante remoto no autenticado causar el agotamiento de la memoria de paquetes del dispositivo o causar el bloqueo del proceso IP SLA, resultando en una condición de denegación de servicio (DoS). • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipsla-ZA3SRrpP • CWE-771: Missing Reference to Active Allocated Resource •

CVSS: 7.8EPSS: 0%CPEs: 63EXPL: 0

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Múltiples vulnerabilidades en la CLI de Cisco IOS XR Software podrían permitir a un atacante local autenticado con una cuenta de bajo privilegio elevar los privilegios en un dispositivo afectado. Para conseguir más información sobre estas vulnerabilidades, consulte la sección Details de este aviso • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privescal-dZYMrKf • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •

CVSS: 8.5EPSS: 0%CPEs: 51EXPL: 0

A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device. This vulnerability is due to insufficient input validation of arguments that are supplied by the user for a specific file transfer method. An attacker with lower-level privileges could exploit this vulnerability by specifying Secure Copy Protocol (SCP) parameters when authenticating to a device. A successful exploit could allow the attacker to elevate their privileges and retrieve and upload files on a device that they should not have access to. Una vulnerabilidad en el proceso del servidor SSH de Cisco IOS XR Software podría permitir a un atacante remoto autenticado sobrescribir y leer archivos arbitrario en el dispositivo local. • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-scp-inject-QwZOCv2 • CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') •

CVSS: 7.4EPSS: 0%CPEs: 17EXPL: 0

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot. Una vulnerabilidad en el código de bateo de Capa 2 de Cisco IOS XR Software que se ejecuta en los routers de Servicios de Agregación de la serie Cisco ASR 9000 podría permitir a un atacante adyacente no autenticado causar el reinicio de la tarjeta de línea afectada. • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-npspin-QYpwdhFD • CWE-399: Resource Management Errors •

CVSS: 6.9EPSS: 0%CPEs: 25EXPL: 0

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory. Múltiples vulnerabilidades en las comprobaciones de verificación de imágenes de los routers Cisco Network Convergence System (NCS) de la serie 540, sólo cuando se ejecutan imágenes de software Cisco IOS XR NCS540L, y el software Cisco IOS XR para los routers Cisco de la serie 8000 podrían permitir a un atacante local autenticado ejecutar código arbitrario en el sistema operativo subyacente. Para conseguir más información sobre estas vulnerabilidades, consulte la sección Details de este aviso • https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lnt-QN9mCzwn • CWE-347: Improper Verification of Cryptographic Signature •