{"id":"CVE-2021-38434","aliases":["EUVD-2021-24886","GHSA-rq4p-mwvq-fhvq"],"status":"published","title":"FATEK Automation WinProladder","description":"FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.","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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0097,"percentile":0.6218,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-194"],"published":"2021-10-18T12:38:53Z","modified":"2026-06-17T04:02:05Z","products":[{"vendor":"fatek","product":"winproladder"},{"vendor":"fatek automation","product":"winproladder"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38434"},{"url":"https://github.com/advisories/GHSA-rq4p-mwvq-fhvq"}],"sources":{"cve":[{"id":"CVE-2021-38434","title":"FATEK Automation WinProladder","description":"FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.","status":"published","published":"2021-10-18T12:38:53.598Z","modified":"2024-09-16T22:39:58.739Z","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":"cna"}],"cwes":["CWE-194"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24886","description":"FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.","status":"published","published":"2021-10-18T12:38:53Z","modified":"2024-09-16T22:39:58Z","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"}],"updated_at":"2026-11-03T00:55:01.173561Z"}],"ghsa":[{"id":"GHSA-rq4p-mwvq-fhvq","title":"FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied...","description":"FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.","status":"published","published":"2022-05-24T19:17:49Z","modified":"2023-01-30T05:02:41Z","cwes":["CWE-194"],"updated_at":"2026-11-02T14:46:42.161058Z"}],"nvd":[{"id":"CVE-2021-38434","description":"FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.","status":"published","published":"2021-10-18T13:15:09.697Z","modified":"2026-06-17T04:02:05.53Z","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":"secondary"},{"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-194"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}