CVE-2026-101985
Vulnerabilidad de validación inadecuada de la cantidad especificada en la entrada en el demonio del protocolo de enrutamiento (rpd) de Juniper Networks Junos OS Evolved en la serie PTX, que permite a un par IS-IS no autenticado provocar una denegación de servicio.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 7.1
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:A/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
- 0.27 %
- Percentil entre todas las CVEs puntuadas
- 18
- 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
T1499Endpoint Denial of Serviceimpact80 %
El vector AV:A/PR:N/UI:N indica red adyacente sin privilegios; la descripción dice que un peer IS-IS no autenticado provoca denegación de servicio en rpd.
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 (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-1284
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-101985",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-101985",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-14T20:16:50.885026Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
],
"cvssMetricV40": [
{
"type": "Secondary",
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"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 7.1,
"Automatable": "NOT_DEFINED",
"attackVector": "ADJACENT",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/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",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
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"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "LOW",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "sirt@juniper.net",
"affectedData": [
{
"vendor": "Juniper Networks",
"product": "Junos OS Evolved",
"versions": [
{
"status": "affected",
"version": "23.4",
"lessThan": "23.4R2-S8.11-EVO",
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},
{
"status": "affected",
"version": "24.2",
"lessThan": "24.2R2-S5.6-EVO",
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{
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{
"status": "affected",
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"versionType": "custom"
},
{
"status": "affected",
"version": "23.4X100",
"versionType": "custom"
},
{
"status": "affected",
"version": "25.2X100",
"lessThan": "25.2X100-D35-EVO",
"versionType": "custom"
},
{
"status": "affected",
"version": "25.4X300",
"lessThan": "25.4X300-D40-EVO",
"versionType": "custom"
}
],
"platforms": [
"PTX Series"
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-14T17:17:50.807",
"references": [
{
"url": "https://supportportal.juniper.net/JSA112250",
"source": "sirt@juniper.net"
}
],
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "sirt@juniper.net",
"description": [
{
"lang": "en",
"value": "CWE-1284"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated IS-IS peer to cause a denial of service."
}
],
"lastModified": "2026-10-15T16:23:06.250",
"sourceIdentifier": "sirt@juniper.net"
}