{
  "id": "CVE-2011-4877",
  "sourceIdentifier": "cret@cert.org",
  "published": "2012-02-03T20:55:01.983",
  "lastModified": "2017-08-29T01:30:37.270",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime, when Transfer Mode is enabled, allows remote attackers to cause a denial of service (application crash) by sending crafted data over TCP."
    },
    {
      "lang": "es",
      "value": "HmiLoad del cargador en tiempo de ejecuci\u00f3n (\"runtime loader\") de Siemens WinCC flexible 2004, 2005, 2007 y 2008; WinCC V11 (TIA portal); the TP, OP, MP, Comfort Panels y Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced y WinCC flexible Runtime, cuando el modo de transferencia (\"Transfer Mode\") est\u00e1 habilitado, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda de la aplicaci\u00f3n) enviando datos modificados sobre TCP."
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.1
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 8.6,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "weaknesses": [
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      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "value": "CWE-20"
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  "references": [
    {
      "url": "http://aluigi.org/adv/winccflex_1-adv.txt",
      "source": "cret@cert.org"
    },
    {
      "url": "http://www.exploit-db.com/exploits/18166",
      "source": "cret@cert.org"
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      "url": "http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf",
      "source": "cret@cert.org",
      "tags": [
        "Vendor Advisory"
      ]
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    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf",
      "source": "cret@cert.org"
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      "url": "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf",
      "source": "cret@cert.org"
    },
    {
      "url": "http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf",
      "source": "cret@cert.org",
      "tags": [
        "US Government Resource"
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    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71451",
      "source": "cret@cert.org"
    }
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}