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CVE-2014-4686

Estado: ModificadaMedia (6.8)—

The Project administration application in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, has a hardcoded encryption key, which allows remote attackers to obtain sensitive information by extracting this key from another product installation and then employing this key during the sniffing of network traffic on TCP port 1030.

CVSS

Probabilidad de explotación (EPSS)

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 (2)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2014-4686",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "published": "2014-07-24T14:55:08.190",
  "references": [
    {
      "url": "http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-214365.pdf",
      "tags": [
        "Vendor Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-214365.pdf",
      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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      "value": "The Project administration application in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, has a hardcoded encryption key, which allows remote attackers to obtain sensitive information by extracting this key from another product installation and then employing this key during the sniffing of network traffic on TCP port 1030."
    },
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      "lang": "es",
      "value": "La aplicación de administración del proyecto en Siemens SIMATIC WinCC anterior a 7.3, utilizado en PCS7 y otros productos, tiene una clave de codificación embebida, lo que permite a atacantes remotos obtener información sensible mediante la extracción de esta clave de otra instalación del producto y la posterior utilización de esta clave durante la captura de trafico de la red en puerto TCP 1030."
    }
  ],
  "lastModified": "2026-06-17T00:10:27.263",
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  "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/798.html\" target=\"_blank\">CWE-798: CWE-798: Use of Hard-coded Credentials</a>",
  "sourceIdentifier": "cve@mitre.org"
}