cve-2021-20591
Vulnerability from cvelistv5
Published
2021-06-11 15:52
Modified
2024-08-03 17:45
Severity ?
Summary
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.
References
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://jvn.jp/vu/JVNVU98060539/index.htmlThird Party Advisory
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/vu/JVNVU98060539/index.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdfVendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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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)\"}],\"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\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"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:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r00cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B45CE88C-9D71-4F5F-B10B-ABBAE40597FD\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r00cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B0A23F21-9C5F-4CB3-BA20-4195B2165D26\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r01cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E1D54E1B-A2E3-49E7-B7A0-B693AA9E410F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r01cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CADF6528-4B25-4779-A06F-2C4DF91DAE90\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r02cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"927EB3AB-4EE4-4FC0-AADE-939C2BB89850\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r02cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2D753C47-ED9C-453F-AC1F-C50476BE61C0\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r04cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F60DD8B4-CFF5-4331-8BC2-49D3583B0F6B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r04cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BDEEF15E-FE32-4610-9E14-891069573E4D\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r08cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5755570C-4913-44C4-A906-BBB59616D336\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r08cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2DAA2202-88D5-4329-BF51-0F18C350C45C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r16cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5996B1E9-F9AD-4890-833E-926B31AE9113\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r16cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"30016EA0-FB24-4382-8960-6A75D32C9BD7\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r32cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1B0629A-A3AA-4FEF-9F93-5E86DF3B9B16\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r32cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DAF6EB84-7D97-4606-A90F-9D443CBC4755\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r120cpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0C593DC3-776B-483C-A6B8-03A65671D4B1\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r120cpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EF7D08E-D3D1-48D4-9440-B94B7A2BD662\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vul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  }
}


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