CVE-2026-102053
Una vulnerabilidad de liberación incorrecta de memoria antes de eliminar la última referencia en el proceso l2ald de Juniper Networks Junos OS y Junos OS Evolved en plataformas de la familia QFX5K permite que un par EVPN configurado provoque una denegación de servicio por agotamiento de memoria mediante el procesamiento de rutas de multihoming activo-activo de EVPN-VXLAN.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 6.9
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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
- 0.33 %
- Percentil entre todas las CVEs puntuadas
- 24
- 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 access75 % - Impacto principal
T1499Endpoint Denial of Serviceimpact90 %
El vector AV:N/PR:N/UI:N indica explotación remota sin credenciales; la descripción cita denegación de servicio por agotamiento de memoria en l2ald (CWE-401).
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-401
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-102053",
"cveTags": [],
"metrics": {
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{
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"role": "CISA Coordinator",
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{
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"timestamp": "2026-10-16T16:36:58.651323Z"
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}
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"cvssMetricV40": [
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"integrityRequirement": "NOT_DEFINED",
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"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
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"modifiedAttackRequirements": "NOT_DEFINED",
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"modifiedSubIntegrityImpact": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "MODERATE",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
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"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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"affected": [
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{
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"lessThan": "25.4X300-D40-EVO",
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],
"published": "2026-10-14T17:18:00.273",
"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-401"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An Improper Release of Memory Before Removing Last Reference vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved on QFX5K-family platforms allows a configured EVPN peer to cause a denial of service through memory exhaustion via EVPN-VXLAN active-active multihoming route processing."
}
],
"lastModified": "2026-10-16T17:17:09.797",
"sourceIdentifier": "sirt@juniper.net"
}