CVE-2024-42644

Estado: AnalizadaAlta (7.5)—

FlashMQ v1.14.0 was discovered to contain an assertion failure in the function PublishCopyFactory::getNewPublish, which occurs when the QoS value of the publish object is greater than 0.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.52%
Percentil entre todas las CVEs puntuadas: 42
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1499.004 Application or System Exploitationimpact90 %
Impacto secundarioT1499 Endpoint Denial of Serviceimpact75 %

Vector CVSS de red sin privilegios (AV:N/PR:N/UI:N) indica T1190. Assertion failure con QoS>0 causa denegación de servicio (A:H) en servicio remoto MQTT, encaja T1499.004 (protocol exhaustion).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

Tecnologías afectadas (1)

Flashmq — Flashmq

CWE

CWE-617

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2024-42644",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-42644",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-30T15:10:18.533234Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-07-29T14:15:34.750",
  "references": [
    {
      "url": "https://github.com/halfgaar/FlashMQ",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/cve-2024-42644.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.flashmq.org/2024/06/17/flashmq-1-15-1-released/",
      "tags": [
        "Release Notes"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/cve-2024-42644.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "FlashMQ v1.14.0 was discovered to contain an assertion failure in the function PublishCopyFactory::getNewPublish, which occurs when the QoS value of the publish object is greater than 0."
    },
    {
      "lang": "es",
      "value": "Se descubrió que FlashMQ v1.14.0 contiene una falla de afirmación en la función PublishCopyFactory::getNewPublish, que ocurre cuando el valor de QoS del objeto de publicación es mayor que 0."
    }
  ],
  "lastModified": "2026-06-17T07:49:50.330",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:flashmq:flashmq:1.14.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "04013CFE-DFAC-426D-99DA-3B2DD901B38F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}