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FKIE_CVE-2016-7959

Vulnerability from fkie_nvd - Published: 2016-10-13 10:59 - Updated: 2026-06-17 00:53
Summary
Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in TIA project files, which makes it easier for local users to obtain sensitive information by leveraging access to a file and conducting a brute-force attack.
Impacted products
Vendor Product Version
siemens simatic_step_7 *

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "86CBA385-0DE2-457E-906E-23526D8DD986",
              "versionEndIncluding": "13.010",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in TIA project files, which makes it easier for local users to obtain sensitive information by leveraging access to a file and conducting a brute-force attack."
    },
    {
      "lang": "es",
      "value": "Siemens SIMATIC STEP 7 (TIA Portal) en versiones anteriores a 14 almacena indebidamente los datos clave pre-compartidos en archivos de proyecto TIA, lo que hace m\u00e1s que sea m\u00e1s f\u00e1cil para usuarios locales obtener informaci\u00f3n sensible aprovechando el acceso a un archivo y llevando a cabo un ataque de fuerza bruta."
    }
  ],
  "id": "CVE-2016-7959",
  "lastModified": "2026-06-17T00:53:50.647",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 1.9,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-10-13T10:59:00.143",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/93551"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/93551"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-254"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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