CVE-2026-101977
Una vulnerabilidad de desreferencia de puntero NULL en el demonio del protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un peer eBGP configurado provocar una denegación de servicio persistente del demonio de enrutamiento mediante un paquete BGP específico cuando se utiliza la configuración efímera.
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:X/R:X/V:X/RE:X/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.
- Explotación
T1190Exploit Public-Facing Applicationinitial access80 % - Impacto principal
T1499Endpoint Denial of Serviceimpact85 %
Vector AV:N/PR:N/UI:N (red, sin privilegios ni interacción) indica T1190; el texto describe DoS persistente del demonio rpd mediante un paquete BGP especial.
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
Tecnologías afectadas (2)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-476
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
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"published": "2026-10-14T17:17:50.190",
"references": [
{
"url": "https://supportportal.juniper.net/JSA112187",
"source": "sirt@juniper.net"
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"value": "A NULL Pointer Dereference vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a persistent routing-daemon denial of service via a specific BGP packet when ephemeral configuration is used."
}
],
"lastModified": "2026-10-15T16:23:06.250",
"sourceIdentifier": "sirt@juniper.net"
}