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CVE-2019-6854

Status: ModifiedHigh (7.8)—

A CWE-287: Improper Authentication vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases before 1 January 2019- which could cause a low privilege user to delete or modify database, setting or certificate files. Those users must have access to the file system of that operating system to exploit this vulnerability. Affected versions in current support includes ClearSCADA 2017 R3, ClearSCADA 2017 R2, and ClearSCADA 2017.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Schneider-electric — Clearscada

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2019-6854",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cybersecurity@se.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "EcoStruxure Geo SCADA Expert (ClearSCADA) with initial releases before 1 January 2019 (see notification for more details)",
          "versions": [
            {
              "status": "affected",
              "version": "EcoStruxure Geo SCADA Expert (ClearSCADA) with initial releases before 1 January 2019 (see notification for more details)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-01-06T23:15:11.033",
  "references": [
    {
      "url": "https://www.se.com/ww/en/download/document/SEVD-2019-344-05/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cybersecurity@se.com"
    },
    {
      "url": "https://www.se.com/ww/en/download/document/SEVD-2019-344-05/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cybersecurity@se.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A CWE-287: Improper Authentication vulnerability exists in a folder within EcoStruxure Geo SCADA Expert (ClearSCADA) -with initial releases before 1 January 2019- which could cause a low privilege user to delete or modify database, setting or certificate files. Those users must have access to the file system of that operating system to exploit this vulnerability. Affected versions in current support includes ClearSCADA 2017 R3, ClearSCADA 2017 R2, and ClearSCADA 2017."
    },
    {
      "lang": "es",
      "value": "CWE-287: Se presenta una vulnerabilidad de autenticación inapropiada en una carpeta dentro de EcoStruxure Geo SCADA Expert (ClearSCADA), con versiones iniciales anteriores al 1 de enero de 2019, lo que podría causar que un usuario con poco privilegio elimine o modifique archivos de bases de datos, configuraciones o certificados . Esos usuarios necesitan tener acceso al sistema de archivos de ese sistema operativo para explotar esta vulnerabilidad. Las versiones afectadas en el soporte actual incluyen ClearSCADA versión 2017 R3, ClearSCADA versión 2017 R2 y ClearSCADA versión 2017"
    }
  ],
  "lastModified": "2026-06-17T02:39:48.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:schneider-electric:clearscada:2017:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FCC1A189-4500-4EEC-896E-7833225EAF65"
            },
            {
              "criteria": "cpe:2.3:a:schneider-electric:clearscada:2017:r2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3F342A21-0F75-44C1-97D4-38F3E54B0F0A"
            },
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              "vulnerable": true,
              "matchCriteriaId": "AA1BF60B-98A0-43CE-8C3B-122FB713ABBD"
            }
          ],
          "operator": "OR"
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      ]
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  ],
  "sourceIdentifier": "cybersecurity@se.com"
}