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"operator": "OR"}], "operator": "AND"}], "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)"}], "id": "CVE-2021-20591", "lastModified": "2024-11-21T05:46:50.187", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "
[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "
[email protected]", "type": "Primary"}]}, "published": "2021-06-11T16:15:08.987", "references": [{"source": "
[email protected]", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/vu/JVNVU98060539/index.html"}, {"source": "
[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/vu/JVNVU98060539/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf"}], "sourceIdentifier": "
[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "
[email protected]", "type": "Primary"}]}
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