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CVE-2014-9295

Estado: ModificadaAlta (7.5)—PoC
Gravedad7.5Alta · CVSS 2.0
Probabilidad de explotación79 %mayor que el 100 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePrueba de concepto en GitHub (no verificada)

Múltiples desbordamientos de buffer en ntpd en NTP anterior a 4.2.8, permite a atacantes remotos la ejecución de código arbitrario mediante un paquete manipulado, relacionado con (1) la función crypto_recv cuando se utiliza la característica Autokey Authentication, (2) la función ctl_putdata y (3) la función de configuración.

CVSS

Puntuación base
7.5
Versión
2.0
Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
79 %
Percentil entre todas las CVEs puntuadas
100
Fecha de la puntuación
30/10/2026

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).

Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (1)

NTP — NTP

CWE

Referencias

Mostrar las 56 referencias

JSON original (NVD)

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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
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  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple stack-based buffer overflows in ntpd in NTP before 4.2.8 allow remote attackers to execute arbitrary code via a crafted packet, related to (1) the crypto_recv function when the Autokey Authentication feature is used, (2) the ctl_putdata function, and (3) the configure function."
    },
    {
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      "value": "Múltiples desbordamientos de buffer en ntpd en NTP anterior a 4.2.8, permite a atacantes remotos la ejecución de código arbitrario mediante un paquete manipulado, relacionado con (1) la función crypto_recv cuando se utiliza la característica Autokey Authentication, (2) la función ctl_putdata y (3) la función de configuración."
    }
  ],
  "lastModified": "2026-06-17T00:18:03.940",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "4.2.7"
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          "operator": "OR"
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}