{ "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" }