CVE-2026-33795
Estado: Pendiente de análisisAlta (8.7)—
Gravedad8.7Alta · CVSS 4.0
Probabilidad de explotación0.37 %mayor que el 30 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado
Una vulnerabilidad de error de truncamiento numérico en el proceso rpd de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante no autenticado en la red provocar una denegación de servicio mediante un anuncio de ruta BGP Prefix-SID que posteriormente se vuelve a anunciar.
Este problema no afecta a las versiones de Junos OS anteriores a 20.4R1. Este problema no afecta a las versiones de Junos OS Evolved anteriores a 20.4R1-EVO
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:Y/R:A/V:C/RE:M/U:X
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.37 %
- Percentil entre todas las CVEs puntuadas
- 30
- 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 access90 % - Impacto principal
T1499Endpoint Denial of Serviceimpact85 %
AV:N, PR:N, UI:N y descripción: atacante de red sin autenticar provoca denegación de servicio en el proceso rpd mediante anuncio BGP Prefix-SID.
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-197
Referencias
Mostrar las 1 referencias
JSON original (NVD)
Mostrar
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{
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"published": "2026-10-14T17:18:28.123",
"references": [
{
"url": "https://supportportal.juniper.net/JSA112187",
"source": "sirt@juniper.net"
}
],
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"description": [
{
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}
],
"descriptions": [
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"lang": "en",
"value": "A Numeric Truncation Error vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause a denial of service via a BGP Prefix-SID route advertisement that is subsequently re-advertised.\n\nThis issue does not affect versions of Junos OS prior to 20.4R1.\nThis issue does not affect versions of Junos OS Evolved prior to 20.4R1-EVO"
}
],
"lastModified": "2026-10-15T16:24:19.073",
"sourceIdentifier": "sirt@juniper.net"
}