CVE-2009-1104

Estado: ModificadaMedia (5.8)—
The Java Plug-in in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier; 6 Update 12 and earlier; and 1.4.2_19 and earlier does not prevent Javascript that is loaded from the localhost from connecting to other ports on the system, which allows user-assisted attackers to bypass intended access restrictions via LiveConnect, aka CR 6724331. NOTE: this vulnerability can be leveraged with separate cross-site scripting (XSS) vulnerabilities for remote attack vectors.
CVSS

Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N
Puntuación base: 5.8
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 2.17%
Percentil entre todas las CVEs puntuadas: 82
Fecha de la puntuación: 6/10/2026
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).
Tecnologías afectadas (1)

SUN — Java
CWE

CWE-16
Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-1104",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
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      "affectedData": [
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          "versions": [
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              "status": "affected",
              "version": "n/a"
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  ],
  "published": "2009-03-25T23:30:00.420",
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-16"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Java Plug-in in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier; 6 Update 12 and earlier; and 1.4.2_19 and earlier does not prevent Javascript that is loaded from the localhost from connecting to other ports on the system, which allows user-assisted attackers to bypass intended access restrictions via LiveConnect, aka CR 6724331.  NOTE: this vulnerability can be leveraged with separate cross-site scripting (XSS) vulnerabilities for remote attack vectors."
    },
    {
      "lang": "es",
      "value": "El plug-in Java en Java SE Development Kit (JDK) y Java Runtime Environment (JRE) 5.0 actualización 17 y anteriores; 6 actualización 12 y anteriores; y v1.4.2_19 y anteriores no previenen Javascript que es cargada desde el localhost desde la conexión a otros puertos en el sistema, lo que permite a los atacantes asistidos por el usuario evitar las restricciones de acceso intencionadas a través de via LiveConnect, también conocido como CR 6724331. NOTA: esta vulnerabilidad puede ser elevada con separadas vulnerabilidades de ejecución de secuencias de comandos en sitios cruzados - XSS - para vectores de ataque remoto."
    }
  ],
  "lastModified": "2026-06-16T23:06:32.217",
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      "nodes": [
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  "sourceIdentifier": "cve@mitre.org"
}