CVE-2026-101940

Estado: Pendiente de análisisAlta (8.7)—

Gravedad8.7Alta · CVSS 4.0

Probabilidad de explotación0.46 %mayor que el 39 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoNo conocidosin código público localizado

Una vulnerabilidad de desreferencia de puntero NULL en el demonio de enrutamiento rpd de Juniper Networks Junos OS y Junos OS Evolved permite que un par BGP configurado y no autenticado provoque una denegación de servicio mediante un UPDATE de BGP cuando la configuración de ISO-VPN y de egress-protection está habilitada.

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

CVSS

Puntuación base: 8.7
Versión: 4.0
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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: 0.46 %
Percentil entre todas las CVEs puntuadas: 39
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 access90 %
Impacto principalT1499 Endpoint Denial of Serviceimpact85 %

El vector AV:N/PR:N/UI:N indica explotación remota sin autenticación; la descripción dice que un peer BGP provoca denegación de servicio del demonio rpd mediante un UPDATE.

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

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

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-476

Referencias

Mostrar las 1 referencias

https://supportportal.juniper.net/JSA112187

JSON original (NVD)

Mostrar

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