{"containers": {"cna": {"affected": [{"product": "MELSEC iQ-R series CPU modules", "vendor": "n/a", "versions": [{"status": "affected", "version": "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"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "Uncontrolled Resource Consumption", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-11T15:52:45.000Z", "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "shortName": "Mitsubishi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/vu/JVNVU98060539/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "ID": "CVE-2021-20591", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "MELSEC iQ-R series CPU modules", "version": {"version_data": [{"version_value": "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"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf", "refsource": "MISC", "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf"}, {"name": "https://jvn.jp/vu/JVNVU98060539/index.html", "refsource": "MISC", "url": "https://jvn.jp/vu/JVNVU98060539/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:45:44.388Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-003_en.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/vu/JVNVU98060539/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad", "assignerShortName": "Mitsubishi", "cveId": "CVE-2021-20591", "datePublished": "2021-06-11T15:52:45.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:45:44.388Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r00cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "B45CE88C-9D71-4F5F-B10B-ABBAE40597FD", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r00cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "B0A23F21-9C5F-4CB3-BA20-4195B2165D26", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r01cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1D54E1B-A2E3-49E7-B7A0-B693AA9E410F", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r01cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "CADF6528-4B25-4779-A06F-2C4DF91DAE90", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r02cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "927EB3AB-4EE4-4FC0-AADE-939C2BB89850", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r02cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "2D753C47-ED9C-453F-AC1F-C50476BE61C0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r04cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F60DD8B4-CFF5-4331-8BC2-49D3583B0F6B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r04cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "BDEEF15E-FE32-4610-9E14-891069573E4D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r08cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5755570C-4913-44C4-A906-BBB59616D336", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r08cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "2DAA2202-88D5-4329-BF51-0F18C350C45C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r16cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5996B1E9-F9AD-4890-833E-926B31AE9113", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r16cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "30016EA0-FB24-4382-8960-6A75D32C9BD7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r32cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F1B0629A-A3AA-4FEF-9F93-5E86DF3B9B16", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r32cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "DAF6EB84-7D97-4606-A90F-9D443CBC4755", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r120cpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "0C593DC3-776B-483C-A6B8-03A65671D4B1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r120cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "3EF7D08E-D3D1-48D4-9440-B94B7A2BD662", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "66D3AC7B-50E0-47D5-B0D1-07329D724EFE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r08sfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "B185323A-C9E3-48A0-AD28-DA7AC7846E18", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "AA81D5C7-46C8-4F0E-9550-D240DC0366F3", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "C4BBE066-33C4-4410-85D3-4B77B3773330", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FB53D61-6C69-4A4A-92B1-C10D0B8F0EC9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "6F6304BE-DAEE-49AB-B0B1-CEE6878CBECE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "8218130C-4E7D-4FB9-976B-2351977C82D4", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "515BDC46-5A1C-4A94-816A-B4751BB1B58D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r08pcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "63442274-452B-4361-A2AD-2ACBD699B150", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r08pcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "3845683A-A4D2-422F-9736-D0D7A430555F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r16pcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "EE0EA636-84E9-4DAA-BE39-DBA9D7B857F4", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r16pcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "EA04F2DD-4D51-4D4F-B3C7-D5EFACAD6EFB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r32pcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "275C5686-5333-440F-8C85-8C2FB91FC2DA", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r32pcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "3EA2A77C-86CE-48E1-87A4-A69895102D49", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r120pcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5EC951AC-3538-4711-A034-6C1A94AD797F", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r120pcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "E0FE9EA6-6BCE-40F7-8AE8-173F7CDF3EF6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5A63D33D-302A-428C-986F-FC3F83CE9C86", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "EA37F2FC-8F75-4FEA-882D-87AD5CC1558E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FFB42739-E503-44B2-A020-0DB2B8791A81", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "17AD5875-B7D7-498B-9484-23049753133E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3B1F532B-8EAF-4E66-9AF5-5EEFF5A0BC23", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "0EC2594C-6067-40BA-B8B2-AEC9B9C7922F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "B2C03EA2-34BF-4F86-A19C-2818788E092B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "CA3FB3E1-D7D3-424B-A207-D3C6F4365D12", "vulnerable": false}], "negate": false, "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": "nvd@nist.gov", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-11T16:15:08.987", "references": [{"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/vu/JVNVU98060539/index.html"}, {"source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "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": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}