{"api_version":"1","generated_at":"2026-07-24T03:29:04+00:00","cve":"CVE-2021-22284","urls":{"html":"https://cve.report/CVE-2021-22284","api":"https://cve.report/api/cve/CVE-2021-22284.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-22284","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22284"},"summary":{"title":"CVE-2021-22284","description":"Incorrect Permission Assignment for Critical Resource vulnerability in OPC Server for AC 800M allows an attacker to execute arbitrary code in the node running the AC800M OPC Server.","state":"PUBLIC","assigner":"cybersecurity@ch.abb.com","published_at":"2022-02-04 23:15:00","updated_at":"2022-02-09 18:11:00"},"problem_types":["CWE-732"],"metrics":[],"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA000908&LanguageCode=en&DocumentPartId=&Action=Launch","name":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA000908&LanguageCode=en&DocumentPartId=&Action=Launch","refsource":"MISC","tags":[],"title":"","mime":"application/pdf","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-22284","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22284","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"ABB thanks William Knowles at Applied Risk for helping to identify the vulnerabilities and protecting our customers.","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"22284","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"abb","cpe5":"opc_server_for_ac_800m","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-22284","qid":"590849","title":"ABB OPC Server for AC 800M Remote Code Execution (RCE) Vulnerability (ICSA-22-074-01)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cybersecurity@ch.abb.com","DATE_PUBLIC":"2022-01-24T11:58:00.000Z","ID":"CVE-2021-22284","STATE":"PUBLIC","TITLE":"SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"800xA, Control Software for AC 800M OPC Server for AC 800M","version":{"version_data":[{"version_affected":"<=","version_value":"5.1.0-x"},{"version_affected":"<=","version_value":"5.1.1-x"},{"version_affected":"=","version_value":"6.0.0-1"},{"version_affected":"=","version_value":"6.0.0-2"},{"version_affected":"=","version_value":"6.0.0-3"}]}},{"product_name":"Control Builder Safe, version 1.x OPC Server for AC 800M","version":{"version_data":[{"version_affected":"=","version_value":"5.1.1-1"}]}},{"product_name":"Control Builder Safe, version 2.0 OPC Server for AC 800M","version":{"version_data":[{"version_affected":"=","version_value":"6.0.0-1"}]}},{"product_name":"Compact Product Suite - Control and I/O OPC Server for AC 800M","version":{"version_data":[{"version_affected":"<=","version_value":"5.1.0-x"},{"version_affected":"<=","version_value":"5.1.1-x"},{"version_affected":"<=","version_value":"6.0.0-x"}]}}]},"vendor_name":"ABB"}]}},"credit":[{"lang":"eng","value":"ABB thanks William Knowles at Applied Risk for helping to identify the vulnerabilities and protecting our customers."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Incorrect Permission Assignment for Critical Resource vulnerability in OPC Server for AC 800M allows an attacker to execute arbitrary code in the node running the AC800M OPC Server."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-732 Incorrect Permission Assignment for Critical Resource"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA000908&LanguageCode=en&DocumentPartId=&Action=Launch","name":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA000908&LanguageCode=en&DocumentPartId=&Action=Launch"}]},"solution":[{"lang":"eng","value":"Customers on version 5.1 or older are recommended to upgrade to a supported version that is not affected by this issue such as version 6.1 or later."}],"source":{"discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2022-02-04 23:15:00","lastModifiedDate":"2022-02-09 18:11:00","problem_types":["CWE-732"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:abb:opc_server_for_ac_800m:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1.0-0","versionEndExcluding":"6.0.0-4","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"22284","Ordinal":"196987","Title":"CVE-2021-22284","CVE":"CVE-2021-22284","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"22284","Ordinal":"1","NoteData":"Incorrect Permission Assignment for Critical Resource vulnerability in OPC Server for AC 800M allows an attacker to execute arbitrary code in the node running the AC800M OPC Server.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"22284","Ordinal":"2","NoteData":"2022-02-04","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"22284","Ordinal":"3","NoteData":"2022-02-04","Type":"Other","Title":"Modified"}]}}}