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CVE-2019-5432

Estado: ModificadaAlta (7.5)—

A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 for decoding.

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)

Mqtt-packet Project — Mqtt-packet

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-5432",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "support@hackerone.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "mqtt-packet",
          "versions": [
            {
              "status": "affected",
              "version": "Vulnerable versions: < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-05-06T17:29:00.543",
  "references": [
    {
      "url": "https://hackerone.com/reports/541354",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://hackerone.com/reports/541354",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "support@hackerone.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 for decoding."
    },
    {
      "lang": "es",
      "value": "Un paquete MQTT Subscribe especialmente diseñado provoca el cierre inespesperado de MQTT Brokers en las versiones de los módulos mqtt < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 para la decodificación."
    }
  ],
  "lastModified": "2026-06-17T02:37:40.693",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A60D5E1-84E7-4712-9537-BF911926E7CF",
              "versionEndExcluding": "3.5.1"
            },
            {
              "criteria": "cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "09C6DF48-50B2-46B2-BCDA-06467613D14C",
              "versionEndIncluding": "4.1.3",
              "versionStartIncluding": "4.0.0"
            },
            {
              "criteria": "cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9D5EAD52-6D70-41B2-8E3F-CFA663843440",
              "versionEndIncluding": "5.6.1",
              "versionStartIncluding": "5.0.0"
            },
            {
              "criteria": "cpe:2.3:a:mqtt-packet_project:mqtt-packet:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7AF3E04E-6359-4284-8CB3-29A28831AA4B",
              "versionEndIncluding": "6.1.2",
              "versionStartIncluding": "6.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "support@hackerone.com"
}