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CVE-2019-5184

Estado: ModificadaAlta (7.8)—

An exploitable double free vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC 200. A specially crafted XML cache file written to a specific location on the device can cause a heap pointer to be freed twice, resulting in a denial of service and potentially code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file.

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)

Wago — Pfc200 Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2019-5184",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "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
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          "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"
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        "impactScore": 5.9,
        "exploitabilityScore": 1.8
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  },
  "affected": [
    {
      "source": "talos-cna@cisco.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Wago",
          "versions": [
            {
              "status": "affected",
              "version": "WAGO PFC200 Firmware version 03.02.02(14)"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-03-23T14:15:13.190",
  "references": [
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0965",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0965",
      "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": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An exploitable double free vulnerability exists in the iocheckd service \"I/O-Check\" functionality of WAGO PFC 200. A specially crafted XML cache file written to a specific location on the device can cause a heap pointer to be freed twice, resulting in a denial of service and potentially code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de doble liberación explotable en la funcionalidad \"I/O-Check\" del servicio iocheckd de WAGO PFC 200. Un archivo caché XML especialmente diseñado y escrito en una ubicación específica en el dispositivo puede causar que un puntero de la pila sea dos veces liberado, resultando en un denegación de servicio y potencialmente en ejecución de código. Un atacante puede enviar un paquete especialmente diseñado para activar el análisis de este archivo caché."
    }
  ],
  "lastModified": "2026-06-17T02:37:16.647",
  "configurations": [
    {
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  "sourceIdentifier": "talos-cna@cisco.com"
}