{
  "id": "CVE-2011-4515",
  "sourceIdentifier": "cret@cert.org",
  "published": "2013-03-21T14:55:01.423",
  "lastModified": "2013-05-31T04:00:00.000",
  "vulnStatus": "Analyzed",
  "evaluatorImpact": "Per http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf\r\n\r\nINSECURE PASWORD STORAGE\r\nUser credentials for the HMI\u2019s Web application are stored within the HMI\u2019s system. These data are obfuscated in a reversible way and arereadable and writable for users with physical access or Sm@rt Server access to the system.",
  "descriptions": [
    {
      "lang": "en",
      "value": "Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access."
    },
    {
      "lang": "es",
      "value": "Siemens WinCC (Portal TIA) 11 utiliza un algoritmo reversible para el almacenamiento de contrase\u00f1as de aplicaciones HMI Web en archivos legibles por todo el mundo escritura global, lo que permite a usuarios locales obtener informaci\u00f3n sensible mediante el aprovechamiento de (1) el acceso f\u00edsico o (2) servidor de acceso Sm@rt."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-255"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:siemens:wincc_tia_portal:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA0630E4-BC67-46D1-90C5-8E5F3AAC86F4"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://ics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdf",
      "source": "cret@cert.org",
      "tags": [
        "US Government Resource"
      ]
    },
    {
      "url": "http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf",
      "source": "cret@cert.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}