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CVE-2020-7479

Estado: ModificadaAlta (7.8)—

A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.

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 (1)

Schneider-electric — Interactive Graphical Scada System

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-7479",
  "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": "IGSS (Interactive Graphical SCADA System) (IGSS Version prior to 14.0.0.20009)",
          "versions": [
            {
              "status": "affected",
              "version": "IGSS (Interactive Graphical SCADA System) (Versions 14 and prior using the service: IGSSupdate)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-03-23T20:15:12.450",
  "references": [
    {
      "url": "https://www.se.com/ww/en/download/document/SEVD-2020-070-01/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cybersecurity@se.com"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-370/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cybersecurity@se.com"
    },
    {
      "url": "https://www.se.com/ww/en/download/document/SEVD-2020-070-01/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-370/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cybersecurity@se.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service."
    },
    {
      "lang": "es",
      "value": "Una CWE-306: Una vulnerabilidad de Falta de Autenticación para la Función Crítica en IGSS (Versiones 14 y anteriores usando el servicio: IGSSupdate), lo que podría permitir a un usuario local ejecutar procesos que de otro manera requerirían una escalada de privilegios cuando se envían comandos de red local al IGSS Update Service."
    }
  ],
  "lastModified": "2026-06-17T03:24:51.760",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A6131D00-9397-4EE5-A369-004DEEC8AC5F",
              "versionEndExcluding": "14.0.0.20009",
              "versionStartIncluding": "14.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cybersecurity@se.com"
}