CVE-2026-33796

Estado: Pendiente de análisisCrítica (9.3)—

Gravedad9.3Crítica · CVSS 4.0

Probabilidad de explotación0.56 %mayor que el 45 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoNo conocidosin código público localizado

Una vulnerabilidad de desbordamiento de búfer basado en pila en el demonio de protocolos de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite que un vecino BGP externo configurado ejecute comandos arbitrarios con privilegios de root mediante la monitorización de rutas BMP.

Traducción automática del texto original de NVD (en inglés).

CVSS

Puntuación base: 9.3
Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:X

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.56 %
Percentil entre todas las CVEs puntuadas: 45
Fecha de la puntuación: 20/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access80 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation70 %

El vector AV:N/PR:N/UI:N indica explotación remota sin privilegios; el texto describe ejecución de comandos arbitrarios con privilegios root mediante BMP.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software Vulnerability Scanning

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Juniper — Junos OS^AI Juniper — Junos OS Evolved^AI

CWE

CWE-121

Referencias

Mostrar las 1 referencias

https://supportportal.juniper.net/JSA112187

JSON original (NVD)

Mostrar

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