{"id": "CVE-2021-20591", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "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}]}, "published": "2021-06-11T16:15:08.987", "references": [{"url": "https://jvn.jp/vu/JVNVU98060539/index.html", "tags": ["Third Party Advisory"], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}, {"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf", "tags": ["Vendor Advisory"], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU all versions, R04/08/16/32/120(EN)CPU all versions, R08/16/32/120SFCPU all versions, R08/16/32/120PCPU all versions, R08/16/32/120PSFCPU all versions) allows a remote unauthenticated attacker to prevent legitimate clients from connecting to the MELSOFT transmission port (TCP/IP) by not closing a connection properly, which may lead to a denial of service (DoS) condition."}, {"lang": "es", "value": "Una vulnerabilidad de Consumo Incontrolado de Recursos en Mitsubishi Electric MELSEC iQ-R series CPU modules (R00/01/02CPU todas las versiones, R04/08/16/32/120(ES)CPU todas las versiones, R08/16/32/120SFCPU todas las versiones, R08/16/32/120PCPU todas las versiones, R08/16/32/120PSFCPU todas las versiones) permite a un atacante remoto no autentificado impedir que clientes leg\u00edtimos se conecten al puerto de transmisi\u00f3n de MELSOFT (TCP/IP) al no cerrar una conexi\u00f3n apropiadamente, lo que puede conllevar a una condici\u00f3n de denegaci\u00f3n de servicio (DoS)"}], "lastModified": "2021-06-22T20:05:11.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r00cpu_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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