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CVE-2019-18257

Status: ModifiedCritical (9.8)—

In Advantech DiagAnywhere Server, Versions 3.07.11 and prior, multiple stack-based buffer overflow vulnerabilities exist in the file transfer service listening on the TCP port. Successful exploitation could allow an unauthenticated attacker to execute arbitrary code with the privileges of the user running DiagAnywhere Server.

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)

Advantech — Diaganywhere

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-18257",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/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": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Advantech DiagAnywhere Server",
          "versions": [
            {
              "status": "affected",
              "version": "Versions 3.07.11 and prior"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-17T23:15:14.643",
  "references": [
    {
      "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://www.us-cert.gov/ics/advisories/icsa-19-346-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Advantech DiagAnywhere Server, Versions 3.07.11 and prior, multiple stack-based buffer overflow vulnerabilities exist in the file transfer service listening on the TCP port. Successful exploitation could allow an unauthenticated attacker to execute arbitrary code with the privileges of the user running DiagAnywhere Server."
    },
    {
      "lang": "es",
      "value": "En Advantech DiagAnywhere Server, versiones 3.07.11 y anteriores, existen  múltiples vulnerabilidades de desbordamiento de búfer en la región stack de la memoria en el servicio de transferencia de archivos que escucha sobre el puerto TCP. Una explotación con éxito podría permitir a un atacante no autenticado ejecutar código arbitrario con los privilegios del usuario que ejecuta DiagAnywhere Server."
    }
  ],
  "lastModified": "2026-06-17T02:24:42.907",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:advantech:diaganywhere:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "018BF9AB-F1FB-4056-80C5-EEF197CDDCAF",
              "versionEndIncluding": "3.07.11"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}