{"id":"CVE-2020-16234","aliases":["EUVD-2020-8200","GHSA-pwwx-2gvr-j6qv"],"status":"published","title":"FATEK Automation PLC WinProladder","description":"In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be exploited when a valid user opens a specially crafted file, which may allow an attacker to remotely 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":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01299,"percentile":0.70803,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2020-09-30T20:44:31Z","modified":"2026-06-17T02:57:54Z","products":[{"vendor":"fatek","product":"winproladder"},{"vendor":"fatek automation","product":"plc winproladder"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-254-02","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16234"},{"url":"https://github.com/advisories/GHSA-pwwx-2gvr-j6qv"}],"sources":{"cve":[{"id":"CVE-2020-16234","title":"FATEK Automation PLC WinProladder","description":"In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be exploited when a valid user opens a specially crafted file, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2020-09-30T20:44:31Z","modified":"2024-08-04T13:37:53.8Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:59.116379Z"}],"euvd":[{"id":"EUVD-2020-8200","description":"In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be exploited when a valid user opens a specially crafted file, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2020-09-30T20:44:31Z","modified":"2024-08-04T13:37:53Z","updated_at":"2026-11-03T03:07:28.673063Z"}],"ghsa":[{"id":"GHSA-pwwx-2gvr-j6qv","title":"In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be...","description":"In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be exploited when a valid user opens a specially crafted file, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2022-05-24T17:29:49Z","modified":"2023-01-29T05:04:43Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:45:37.465361Z"}],"nvd":[{"id":"CVE-2020-16234","description":"In PLC WinProladder Version 3.28 and prior, a stack-based buffer overflow vulnerability can be exploited when a valid user opens a specially crafted file, which may allow an attacker to remotely execute arbitrary code.","status":"published","published":"2020-09-30T21:15:12.887Z","modified":"2026-06-17T02:57:54.72Z","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-121"],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}