{"api_version":"1","generated_at":"2026-04-23T06:19:40+00:00","cve":"CVE-2021-20589","urls":{"html":"https://cve.report/CVE-2021-20589","api":"https://cve.report/api/cve/CVE-2021-20589.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-20589","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-20589"},"summary":{"title":"CVE-2021-20589","description":"Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model communication driver versions 01.21.000 through 01.39.000, GOT SIMPLE series GS21 model communication driver versions 01.21.000 through 01.39.000, GT SoftGOT2000 versions 1.170C through 1.250L and Tension Controller LE7-40GU-L Screen package data for MODBUS/TCP V1.00 allows a remote unauthenticated attacker to stop the communication function of the products via specially crafted packets.","state":"PUBLIC","assigner":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","published_at":"2021-05-19 11:15:00","updated_at":"2023-11-07 03:29:00"},"problem_types":["CWE-119"],"metrics":[],"references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf","name":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf","refsource":"MISC","tags":[],"title":"","mime":"application/pdf","httpstatus":"200","archivestatus":"404"},{"url":"https://jvn.jp/vu/JVNVU99895108/index.html","name":"https://jvn.jp/vu/JVNVU99895108/index.html","refsource":"MISC","tags":[],"title":"JVNVU#99895108: 三菱電機製 GOT およびテンションコントローラの MODBUS/TCP スレーブ通信機能におけるサービス運用妨害 (DoS) の脆弱性","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-20589","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20589","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"20589","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mitsubishi","cpe5":"gs21","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"1","versionEndIncluding":"01.39.000","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mitsubishi","cpe5":"gs21_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mitsubishi","cpe5":"gt21","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"1","versionEndIncluding":"01.39.000","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mitsubishi","cpe5":"gt21_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mitsubishi","cpe5":"gt23","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"1","versionEndIncluding":"01.38.000","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mitsubishi","cpe5":"gt23_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mitsubishi","cpe5":"gt25","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"1","versionEndIncluding":"01.38.000","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mitsubishi","cpe5":"gt25_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mitsubishi","cpe5":"gt27","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"1","versionEndIncluding":"01.38.000","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mitsubishi","cpe5":"gt27_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mitsubishi","cpe5":"gt_softgot2000","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"20589","vulnerable":"1","versionEndIncluding":"1.250l","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"mitsubishi","cpe5":"gt_softgot2000_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-20589","qid":"590724","title":"Mitsubishi Electric GOT and Tension Controller (Update A) Vulnerability (ICSA-21-131-02)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-20589","ASSIGNER":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"GOT2000 series; GOT SIMPLE series; GT SoftGOT2000; Tension Controller","version":{"version_data":[{"version_value":"GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000, GT21 model communication driver versions 01.21.000 through 01.39.000"},{"version_value":"GS21 model communication driver versions 01.21.000 through 01.39.000"},{"version_value":"GT SoftGOT2000 versions 1.170C through 1.250L"},{"version_value":"LE7-40GU-L Screen package data for MODBUS/TCP V1.00"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Buffer access with incorrect length value"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf","url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-002_en.pdf"},{"refsource":"MISC","name":"https://jvn.jp/vu/JVNVU99895108/index.html","url":"https://jvn.jp/vu/JVNVU99895108/index.html"}]},"description":{"description_data":[{"lang":"eng","value":"Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model communication driver versions 01.21.000 through 01.39.000, GOT SIMPLE series GS21 model communication driver versions 01.21.000 through 01.39.000, GT SoftGOT2000 versions 1.170C through 1.250L and Tension Controller LE7-40GU-L Screen package data for MODBUS/TCP V1.00 allows a remote unauthenticated attacker to stop the communication function of the products via specially crafted packets."}]}},"nvd":{"publishedDate":"2021-05-19 11:15:00","lastModifiedDate":"2023-11-07 03:29:00","problem_types":["CWE-119"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:mitsubishi:gt27_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"01.19.000","versionEndIncluding":"01.38.000","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mitsubishi:gt27:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:mitsubishi:gt25_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"01.19.000","versionEndIncluding":"01.38.000","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mitsubishi:gt25:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:mitsubishi:gt23_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"01.19.000","versionEndIncluding":"01.38.000","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mitsubishi:gt23:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:mitsubishi:gt21_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"01.21.000","versionEndIncluding":"01.39.000","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mitsubishi:gt21:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:mitsubishi:gs21_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"01.21.000","versionEndIncluding":"01.39.000","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mitsubishi:gs21:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:mitsubishi:gt_softgot2000_firmware:*:*:*:*:*:*:*:*","versionStartIncluding":"1.170c","versionEndIncluding":"1.250l","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mitsubishi:gt_softgot2000:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"20589","Ordinal":"194634","Title":"CVE-2021-20589","CVE":"CVE-2021-20589","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"20589","Ordinal":"1","NoteData":"Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model communication driver versions 01.21.000 through 01.39.000, GOT SIMPLE series GS21 model communication driver versions 01.21.000 through 01.39.000, GT SoftGOT2000 versions 1.170C through 1.250L and Tension Controller LE7-40GU-L Screen package data for MODBUS/TCP V1.00 allows a remote unauthenticated attacker to stop the communication function of the products via specially crafted packets.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"20589","Ordinal":"2","NoteData":"2021-05-19","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"20589","Ordinal":"3","NoteData":"2021-06-16","Type":"Other","Title":"Modified"}]}}}