{
  "id": "CVE-2021-41039",
  "sourceIdentifier": "emo@eclipse.org",
  "published": "2021-12-01T20:15:07.933",
  "lastModified": "2021-12-03T15:58:36.960",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service."
    },
    {
      "lang": "es",
      "value": "En las versiones 1.6 a 2.0.11 de Eclipse Mosquitto, un cliente MQTT v5 que se conecte con un gran n\u00famero de propiedades de usuario podr\u00eda causar un uso excesivo de la CPU, conllevando a una p\u00e9rdida de rendimiento y una posible denegaci\u00f3n de servicio"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    },
    {
      "source": "emo@eclipse.org",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1050"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.6",
              "versionEndIncluding": "2.0.11",
              "matchCriteriaId": "24B5FA32-61CC-4331-B08A-134960167D63"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314",
      "source": "emo@eclipse.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}