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CVE-2020-16211

Estado: ModificadaMedia (5.5)—

Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. An out-of-bounds read vulnerability may be exploited by processing specially crafted project files, which may allow an attacker to read information.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Fuente: mapeo oficial MITRE CTID (CVE → ATT&CK).

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User TrainingExecution PreventionBehavior Prevention on EndpointData Loss Prevention

Tecnologías afectadas (1)

Advantech — Webaccess/hmi Designer

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-16211",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Advantech WebAccess HMI Designer",
          "versions": [
            {
              "status": "affected",
              "version": "Versions 2.1.9.31 and prior"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-08-06T19:15:13.647",
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-219-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-957/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-219-02",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-957/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. An out-of-bounds read vulnerability may be exploited by processing specially crafted project files, which may allow an attacker to read information."
    },
    {
      "lang": "es",
      "value": "Advantech WebAccess HMI Designer, versiones 2.1.9.31 y anteriores. Una vulnerabilidad de lectura fuera de límites puede ser explotada mediante el procesamiento de archivos de proyecto especialmente diseñados, lo que puede permitir a un atacante leer información"
    }
  ],
  "lastModified": "2026-06-17T02:57:51.980",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:advantech:webaccess\\/hmi_designer:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B10BE31F-862E-4C94-A25A-D8F86CE09C9F",
              "versionEndIncluding": "2.1.9.31"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}