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CVE-2019-18858

Estado: ModificadaCrítica (9.8)—

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.

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 (14)

Codesys — Control FOR BeagleboneCodesys — Control FOR Empc-a/imx6Codesys — Control FOR Iot2000Codesys — Control FOR LinuxCodesys — Control FOR Pfc100Codesys — Control FOR Pfc200Codesys — Control FOR PlcnextCodesys — Control FOR Raspberry PICodesys — Control RTECodesys — Control Runtime System ToolkitCodesys — Control WINCodesys — Embedded Target Visu ToolkitCodesys — HMICodesys — Remote Target Visu Toolkit

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-18858",
  "cveTags": [],
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
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        "obtainAllPrivilege": false,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 3.9
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2019-11-20T18:15:10.917",
  "references": [
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      "url": "https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-10_CDS-68341.pdf",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-120"
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  "descriptions": [
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      "lang": "en",
      "value": "CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow."
    },
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      "value": "El servidor web CODESYS 3 versiones anteriores a la versión 3.5.15.20, distribuido con los sistemas de tiempo de ejecución CODESYS Control, tiene un desbordamiento de búfer."
    }
  ],
  "lastModified": "2026-06-17T02:25:29.023",
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