CVE-2026-102054
Una vulnerabilidad de gestión inadecuada de la inconsistencia en el parámetro de longitud en L2ALM de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante no autenticado y adyacente obtener memoria de paquetes PFE obsoleta mediante tráfico overlay-ping de VXLAN enviado a un VTEP local.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 5.3
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/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
- 0.22 %
- Percentil entre todas las CVEs puntuadas
- 12
- 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
T1210Exploitation of Remote Serviceslateral movement90 % - Impacto principal
T1005Data from Local Systemcollection60 %
Vector AV:A con PR:N y UI:N indica red adyacente sin privilegios (T1210). El texto dice que obtiene memoria de paquetes PFE obsoleta, es decir, lectura de datos residuales (T1005).
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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{
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"published": "2026-10-14T17:18:00.433",
"references": [
{
"url": "https://supportportal.juniper.net/JSA112187",
"source": "sirt@juniper.net"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "sirt@juniper.net",
"description": [
{
"lang": "en",
"value": "CWE-130"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An Improper Handling of Length Parameter Inconsistency vulnerability in L2ALM of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to obtain stale PFE packet memory via VXLAN overlay-ping traffic sent to a local VTEP."
}
],
"lastModified": "2026-10-15T16:23:06.250",
"sourceIdentifier": "sirt@juniper.net"
}