{"id":"CVE-2020-27257","aliases":["EUVD-2020-19770","GHSA-j58q-jg6x-x4h9"],"status":"published","title":"Omron CX-One","description":"This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01859,"percentile":0.79526,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-843"],"published":"2021-02-09T14:10:19Z","modified":"2026-06-17T03:09:03Z","products":[{"vendor":"omron","product":"cx-one"},{"vendor":"omron","product":"cx-position"},{"vendor":"omron","product":"cx-protocol"},{"vendor":"omron","product":"cx-server"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-007-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-184/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27257"},{"url":"https://github.com/advisories/GHSA-j58q-jg6x-x4h9"}],"sources":{"cve":[{"id":"CVE-2020-27257","title":"Omron CX-One","description":"This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.","status":"published","published":"2021-02-09T14:10:19.507Z","modified":"2024-09-17T02:47:28.53Z","cwes":["CWE-843"],"updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-19770","description":"This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.","status":"published","published":"2021-02-09T14:10:19Z","modified":"2024-09-17T02:47:28Z","updated_at":"2026-11-03T00:28:37.375568Z"}],"ghsa":[{"id":"GHSA-j58q-jg6x-x4h9","title":"This vulnerability allows local attackers to execute arbitrary code due to the lack of proper...","description":"This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.","status":"published","published":"2022-05-24T17:41:29Z","modified":"2023-01-29T05:05:38Z","cwes":["CWE-843"],"updated_at":"2026-11-02T14:45:50.403728Z"}],"nvd":[{"id":"CVE-2020-27257","description":"This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.","status":"published","published":"2021-02-09T15:15:12.97Z","modified":"2026-06-17T03:09:03.93Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}