CVE-2026-111230

Estado: AnalizadaMedia (6.9)—

Gravedad6.9Media · CVSS 4.0

Probabilidad de explotación0.75 %mayor que el 54 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoNo conocidosin código público localizado

Netgate pfSense CE hasta la versión 2.9.0 contiene una vulnerabilidad de lectura local de archivos que permite a los usuarios con el privilegio de cliente de DNS dinámico leer archivos como root estableciendo una URL de actualización personalizada file:// en services_dyndns_edit.php. Los atacantes pueden establecer una cadena de coincidencia de resultados que no coincida para que _checkStatus() registre el contenido de archivos como /conf/config.xml o /etc/master.passwd en el registro del sistema.

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:H/UI:N/VC:H/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:X/R:X/V:X/RE:X/U:X

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.75 %
Percentil entre todas las CVEs puntuadas: 54
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 movement85 %
Impacto principalT1005 Data from Local Systemcollection85 %
Impacto secundarioT1552.001 Credentials In Filescredential access55 %

Vector AV:N con PR:H aplica la regla T1210; el texto indica lectura de archivos como root (/conf/config.xml, /etc/master.passwd) volcados al log del sistema.

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

Vulnerability Scanning User Training Threat Intelligence Program Restrict File and Directory Permissions Privileged Account Management Password Policies

Tecnologías afectadas (1)

Pfsense — Pfsense

CWE

CWE-73

Referencias

Mostrar las 6 referencias

JSON original (NVD)

Mostrar

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          "options": [
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          "exploitMaturity": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
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          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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      "tags": [
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    {
      "url": "https://github.com/abraxas/pfsense-dyndns-file",
      "tags": [
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    {
      "url": "https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/dyndns.class#L2151-L2171",
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      "url": "https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-local-file-read-via-dynamic-dns-update-url",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
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        }
      ]
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  ],
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    {
      "lang": "en",
      "value": "Netgate pfSense CE through 2.9.0 contains a local file read vulnerability that allows users with the Dynamic DNS client privilege to read files as root by setting a file:// custom Update URL in services_dyndns_edit.php. Attackers can set a non-matching Result Match string so _checkStatus() logs file contents such as /conf/config.xml or /etc/master.passwd to the system log."
    }
  ],
  "lastModified": "2026-10-19T20:42:31.790",
  "configurations": [
    {
      "nodes": [
        {
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