{"id":"CVE-2022-1261","aliases":["EUVD-2022-24594","GHSA-757j-f6hf-9v7v"],"status":"published","title":"Matrikon OPC Server Improper Access Control","description":"Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a condition where a low privileged user allowed to connect to the OPC server to use the functions of the IPersisFile to execute operating system processes with system-level privileges.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00697,"percentile":0.53401,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2022-05-26T16:35:55Z","modified":"2026-06-17T04:22:06Z","products":[{"vendor":"honeywell","product":"matrikon_opc_server"},{"vendor":"matrikon, a subsidiary of honeywell","product":"matrikon opc server"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-02","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1261"},{"url":"https://github.com/advisories/GHSA-757j-f6hf-9v7v"}],"sources":{"cve":[{"id":"CVE-2022-1261","title":"Matrikon OPC Server Improper Access Control","description":"Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a condition where a low privileged user allowed to connect to the OPC server to use the functions of the IPersisFile to execute operating system processes with system-level privileges.","status":"published","published":"2022-05-26T16:35:55.833Z","modified":"2025-04-16T16:17:57.516Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:34:38.581997Z"}],"euvd":[{"id":"EUVD-2022-24594","description":"Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a condition where a low privileged user allowed to connect to the OPC server to use the functions of the IPersisFile to execute operating system processes with system-level privileges.","status":"published","published":"2022-05-26T16:35:55Z","modified":"2025-04-16T16:17:57Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:24.329168Z"}],"ghsa":[{"id":"GHSA-757j-f6hf-9v7v","title":"Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a...","description":"Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a condition where a low privileged user allowed to connect to the OPC server to use the functions of the IPersisFile to execute operating system processes with system-level privileges.","status":"published","published":"2022-05-27T00:00:46Z","modified":"2023-01-27T05:02:54Z","cvss":[{"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"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:42:07.495183Z"}],"nvd":[{"id":"CVE-2022-1261","description":"Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a condition where a low privileged user allowed to connect to the OPC server to use the functions of the IPersisFile to execute operating system processes with system-level privileges.","status":"published","published":"2022-05-26T17:15:08.767Z","modified":"2026-06-17T04:22:06.543Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N","level":"medium","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":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:07:21.261605Z"}]}}