CVE-2019-9750

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:iotivity:iotivity:*:*:*:*:*:*:*:*", "matchCriteriaId": "A51EF323-F8DC-418F-88EB-FD1B19A836F5", "versionEndIncluding": "1.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In IoTivity through 1.3.1, the CoAP server interface can be used for Distributed Denial of Service attacks using source IP address spoofing and UDP-based traffic amplification. The reflected traffic is 6 times bigger than spoofed requests. This occurs because the construction of a \"4.01 Unauthorized\" response is mishandled. NOTE: the vendor states \"While this is an interesting attack, there is no plan for maintainer to fix, as we are migrating to IoTivity Lite.\""}, {"lang": "es", "value": "En IoTivity hasta la versi\u00f3n 1.3.1, la interfaz del servidor CoAP puede emplearse para ataques de denegaci\u00f3n de servicio (DoS) distribuido mediante la suplantaci\u00f3n de la direcci\u00f3n de origen y la amplificaci\u00f3n del tr\u00e1fico basado en UDP. El tr\u00e1fico reflejado es 6 veces mayor que las peticiones suplantadas. Esto ocurre debido a que la construcci\u00f3n de una respuesta \"4.01 Unauthorized\" se gestiona de manera incorrecta. NOTA: el fabricante indica que \"aunque este es un ataque interesante, no hay planes de que el mantenedor lo solucione, ya que estamos migrando a IoTivity Lite\"."}], "id": "CVE-2019-9750", "lastModified": "2026-06-17T02:44:17.000", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-03-13T19:29:00.347", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://jira.iotivity.org/browse/IOT-3267"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://jira.iotivity.org/browse/IOT-3267"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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