{"id":"CVE-2018-7502","aliases":["EUVD-2018-19231","GHSA-v98p-fx5c-967q"],"status":"published","title":"Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack...","description":"Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00557,"percentile":0.46646,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-822"],"published":"2018-03-23T17:00:00Z","modified":"2026-06-17T02:03:15Z","products":[{"vendor":"beckhoff","product":"twincat"},{"vendor":"beckhoff","product":"twincat_c\\+\\+"},{"vendor":"ics-cert","product":"beckhoff twincat plc products"}],"references":[{"url":"https://srcincite.io/advisories/src-2018-0007/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/103487","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-081-02","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","US Government Resource"]},{"url":"https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2018-001.pdf","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7502"},{"url":"https://github.com/advisories/GHSA-v98p-fx5c-967q"}],"sources":{"cve":[{"id":"CVE-2018-7502","description":"Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.","status":"published","published":"2018-03-23T17:00:00Z","modified":"2024-09-16T17:14:23.452Z","cwes":["CWE-822"],"updated_at":"2026-11-02T14:35:09.908186Z"}],"euvd":[{"id":"EUVD-2018-19231","description":"Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.","status":"published","published":"2018-03-23T17:00:00Z","modified":"2024-09-16T17:14:23Z","updated_at":"2026-11-03T00:55:44.31512Z"}],"ghsa":[{"id":"GHSA-v98p-fx5c-967q","title":"Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack...","description":"Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.","status":"published","published":"2022-05-14T03:21:41Z","modified":"2023-02-02T05:07:46Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:34.922323Z"}],"nvd":[{"id":"CVE-2018-7502","description":"Kernel drivers in Beckhoff TwinCAT 3.1 Build 4022.4, TwinCAT 2.11 R3 2259, and TwinCAT 3.1 lack proper validation of user-supplied pointer values. An attacker who is able to execute code on the target may be able to exploit this vulnerability to obtain SYSTEM privileges.","status":"published","published":"2018-03-23T17:29:00.213Z","modified":"2026-06-17T02:03:15.467Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-822","CWE-20"],"updated_at":"2026-11-02T14:04:24.264003Z"}]}}