CVE-2026-101962
Una vulnerabilidad de manejo incorrecto de incoherencias en el parámetro de longitud en el demonio de protocolos de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante que envíe una actualización multicast BGP EVPN especialmente malformada, que se intenta readvertir, provocar un fallo (caída) de rpd.
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
- 0.38 %
- Percentil entre todas las CVEs puntuadas
- 31
- 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 access95 % - Impacto principal
T1499Endpoint Denial of Serviceimpact85 %
Vector AV:N/PR:N/UI:N sin interacción y la descripción indica que un update BGP EVPN malformado provoca un crash de rpd, con VA:H; es denegación de servicio del proceso.
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-130
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
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"published": "2026-10-14T18:17:11.777",
"references": [
{
"url": "https://supportportal.juniper.net/JSA112187",
"source": "sirt@juniper.net"
}
],
"vulnStatus": "Awaiting Analysis",
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"description": [
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"descriptions": [
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"value": "An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker sending a specifically malformed BGP EVPN multicast update which is attempted to be readvertised to cause an rpd crash."
}
],
"lastModified": "2026-10-15T16:23:06.250",
"sourceIdentifier": "sirt@juniper.net"
}