{"id":"CVE-2019-16871","aliases":["EUVD-2019-7378","GHSA-2q68-c93j-vxw8"],"status":"published","title":"Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering...","description":"Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.05302,"percentile":0.92642,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-290"],"published":"2019-12-19T20:42:28Z","modified":"2026-06-17T02:22:52Z","products":[{"vendor":"beckhoff","product":"twincat"}],"references":[{"url":"https://www.ic4.be/2019/12/18/beckhoff-cve-2019-16871/#more-648","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://download.beckhoff.com/download/document/product-security/Advisories/advisory-2017-001.pdf","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16871"},{"url":"https://github.com/advisories/GHSA-2q68-c93j-vxw8"}],"sources":{"cve":[{"id":"CVE-2019-16871","description":"Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.","status":"published","published":"2019-12-19T20:42:28Z","modified":"2024-08-05T01:24:47.257Z","updated_at":"2026-11-02T14:32:23.485011Z"}],"euvd":[{"id":"EUVD-2019-7378","description":"Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.","status":"published","published":"2019-12-19T20:42:28Z","modified":"2024-08-05T01:24:47Z","updated_at":"2026-11-03T02:40:31.903592Z"}],"ghsa":[{"id":"GHSA-2q68-c93j-vxw8","title":"Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering...","description":"Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.","status":"published","published":"2022-05-24T17:04:43Z","modified":"2023-01-29T05:00:49Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:40.694561Z"}],"nvd":[{"id":"CVE-2019-16871","description":"Beckhoff Embedded Windows PLCs through 3.1.4024.0, and Beckhoff Twincat on Windows Engineering stations, allow an attacker to achieve Remote Code Execution (as SYSTEM) via the Beckhoff ADS protocol.","status":"published","published":"2019-12-19T21:15:13.573Z","modified":"2026-06-17T02:22:52.23Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:05:40.856496Z"}]}}