CVE-2026-102059

Estado: Pendiente de análisisAlta (8.7)—

Gravedad8.7Alta · CVSS 4.0

Probabilidad de explotación3.89 %mayor que el 90 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoNo conocidosin código público localizado

Una vulnerabilidad de neutralización inadecuada de elementos especiales utilizados en un comando del sistema operativo ('Inyección de comandos del sistema operativo') en el demonio phone-home (phcd) de Juniper Networks Junos OS y Junos OS Evolved en las series EX, SRX y QFX permite a un atacante adyacente no autenticado ejecutar comandos arbitrarios con privilegios de root mediante un servidor DHCP malicioso.

Traducción automática del texto original de NVD (en inglés).

CVSS

Puntuación base: 8.7
Versión: 4.0
Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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: 3.89 %
Percentil entre todas las CVEs puntuadas: 90
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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement90 %
Impacto principalT1059 Command and Scripting Interpreterexecution85 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation70 %

Vector AV:A/PR:N/UI:N (red adyacente sin autenticación) y descripción: inyección de comandos OS en phcd que ejecuta comandos arbitrarios con privilegios root.

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

Threat Intelligence Program Privileged Account Management Execution Prevention Disable or Remove Feature or Program Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Juniper — Junos OS^AI Juniper — Junos OS Evolved^AI

CWE

CWE-78

Referencias

Mostrar las 1 referencias

https://supportportal.juniper.net/JSA112187

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-102059",
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      "source": "sirt@juniper.net"
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      "value": "An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the phone-home daemon (phcd) of Juniper Networks Junos OS and Junos OS Evolved on EX Series, SRX Series, and QFX Series allows an adjacent unauthenticated attacker to execute arbitrary commands with root privileges via a rogue DHCP server."
    }
  ],
  "lastModified": "2026-10-16T15:17:01.333",
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}