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CVE-2019-19101

Estado: ModificadaMedia (5.9)—

A missing secure communication definition and an incomplete TLS validation in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x, 4.2.x, < 4.3.11SP, < 4.4.9SP, < 4.5.5SP, < 4.6.4 and < 4.7.2 enable unauthenticated users to perform MITM attacks via the B&R upgrade server.

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)

Br-automation — Automation Studio

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-19101",
  "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": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cybersecurity@ch.abb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cybersecurity@ch.abb.com",
      "affectedData": [
        {
          "vendor": "B&R",
          "product": "Automation Studio",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.x"
            },
            {
              "status": "affected",
              "version": "4.1.x"
            },
            {
              "status": "affected",
              "version": "4.2.x"
            },
            {
              "status": "affected",
              "version": "< 4.3.11SP"
            },
            {
              "status": "affected",
              "version": "< 4.4.9SP"
            },
            {
              "status": "affected",
              "version": "< 4.5.5SP"
            },
            {
              "status": "affected",
              "version": "< 4.6.3SP"
            },
            {
              "status": "affected",
              "version": "< 4.7.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-04-29T03:15:16.580",
  "references": [
    {
      "url": "https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "cybersecurity@ch.abb.com"
    },
    {
      "url": "https://www.br-automation.com/en/downloads/032020-multiple-vulnerabilities-in-automation-studio/",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cybersecurity@ch.abb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-326"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A missing secure communication definition and an incomplete TLS validation in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x, 4.2.x, < 4.3.11SP, < 4.4.9SP, < 4.5.5SP, < 4.6.4 and < 4.7.2 enable unauthenticated users to perform MITM attacks via the B&R upgrade server."
    },
    {
      "lang": "es",
      "value": "Una falta de definición de comunicación segura y una comprobación TLS incompleta en el servicio de actualización en B&amp;R Automation Studio versiones 4.0.x, 4.1.x, 4.2.x, versiones anteriores a 4.3.11SP, versiones anteriores a  4.4.9SP, versiones anteriores a 4.5.5SP, versiones anteriores a  4.6.4 y versiones anteriores a 4.7.2, permiten a usuarios no autenticados llevar a cabo ataques de tipo MITM por medio del servidor de actualización de B&amp;R."
    }
  ],
  "lastModified": "2026-06-17T02:26:10.200",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "4.0.29.87",
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            },
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  "sourceIdentifier": "cybersecurity@ch.abb.com"
}