CVE-2021-20600

{"containers": {"cna": {"affected": [{"product": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V", "vendor": "n/a", "versions": [{"status": "affected", "version": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior"}]}], "descriptions": [{"lang": "en", "value": "Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery."}], "problemTypes": [{"descriptions": [{"description": "Uncontrolled Resource Consumption", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-07-07T15:50:22.000Z", "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/vu/JVNVU94914666/index.html"}, {"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "ID": "CVE-2021-20600", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V", "version": {"version_data": [{"version_value": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf", "refsource": "MISC", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf"}, {"name": "https://jvn.jp/vu/JVNVU94914666/index.html", "refsource": "MISC", "url": "https://jvn.jp/vu/JVNVU94914666/index.html"}, {"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:44.694Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/vu/JVNVU94914666/index.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04"}]}]}, "cveMetadata": {"assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "assignerShortName": "Mitsubishi", "cveId": "CVE-2021-20600", "datePublished": "2021-10-08T16:42:10.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:45:44.694Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V", "vendor": "n/a", "versions": [{"status": "affected", "version": "Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior"}]}], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r12ccpu-v_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "B011D41D-5119-403C-A0A6-C872DA1ABB54", "versionEndIncluding": "16", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r12ccpu-v:-:*:*:*:*:*:*:*", "matchCriteriaId": "8B938943-DDD5-43DC-98A3-29D0E6AFBF85", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions \"16\" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery."}, {"lang": "es", "value": "El consumo incontrolado de recursos en el m\u00f3dulo controlador C de la serie MELSEC iQ-R de Mitsubishi Electric R12CCPU-V, versiones de firmware \"16\" y anteriores, permite que un atacante remoto no autenticado provoque una condici\u00f3n de denegaci\u00f3n de servicio (DoS) mediante el env\u00edo de un gran n\u00famero de paquetes en poco tiempo durante el arranque del m\u00f3dulo. Se requiere un reinicio del sistema para la recuperaci\u00f3n"}], "id": "CVE-2021-20600", "lastModified": "2026-06-17T03:34:05.913", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-08T17:15:07.437", "references": [{"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/vu/JVNVU94914666/index.html"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/vu/JVNVU94914666/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf"}], "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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