{"id":"CVE-2021-22284","aliases":["EUVD-2021-9430","GHSA-xpp9-6v93-3xvq"],"status":"published","title":"SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability","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.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00831,"percentile":0.57882,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2022-02-04T22:29:21Z","modified":"2026-06-17T03:36:56Z","products":[{"vendor":"abb","product":"800xa, control software for ac 800m opc server for ac 800m"},{"vendor":"abb","product":"compact product suite - control and i/o opc server for ac 800m"},{"vendor":"abb","product":"control builder safe, version 1.x opc server for ac 800m"},{"vendor":"abb","product":"control builder safe, version 2.0 opc server for ac 800m"},{"vendor":"abb","product":"opc_server_for_ac_800m"}],"references":[{"url":"https://search.abb.com/library/Download.aspx?DocumentID=7PAA000908\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22284"},{"url":"https://github.com/advisories/GHSA-xpp9-6v93-3xvq"}],"sources":{"cve":[{"id":"CVE-2021-22284","title":"SECURITY - OPC Server for AC 800M - Remote Code Execution Vulnerability","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.","status":"published","published":"2022-02-04T22:29:21.143Z","modified":"2024-09-16T19:56:36.751Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9430","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.","status":"published","published":"2022-02-04T22:29:21Z","modified":"2024-09-16T19:56:36Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:55:18.708292Z"}],"ghsa":[{"id":"GHSA-xpp9-6v93-3xvq","title":"Incorrect Permission Assignment for Critical Resource vulnerability in OPC Server for AC 800M...","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.","status":"published","published":"2022-02-10T00:00:43Z","modified":"2023-02-03T05:05:41Z","cwes":["CWE-732"],"updated_at":"2026-11-02T14:53:46.857381Z"}],"nvd":[{"id":"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.","status":"published","published":"2022-02-04T23:15:10.87Z","modified":"2026-06-17T03:36:56.273Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:07:04.178977Z"}]}}