{"id":"CVE-2021-27486","aliases":["EUVD-2021-14240","GHSA-w8rx-73fm-r2mv"],"status":"published","title":"The Fatek Automation WinProladder Versions 3.3 and prior are vulnerable to an integer underflow,...","description":"FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker 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":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01017,"percentile":0.63609,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2021-04-12T14:36:05Z","modified":"2026-06-17T03:44:57Z","products":[{"vendor":"fatek","product":"winproladder"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-098-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27486"},{"url":"https://github.com/advisories/GHSA-w8rx-73fm-r2mv"}],"sources":{"cve":[{"id":"CVE-2021-27486","description":"FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code.","status":"published","published":"2021-04-12T14:36:05Z","modified":"2024-08-03T21:26:08.941Z","cwes":["CWE-191"],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14240","description":"FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code.","status":"published","published":"2021-04-12T14:36:05Z","modified":"2024-08-03T21:26:08Z","updated_at":"2026-11-03T03:24:48.919164Z"}],"ghsa":[{"id":"GHSA-w8rx-73fm-r2mv","title":"The Fatek Automation WinProladder Versions 3.3 and prior are vulnerable to an integer underflow,...","description":"The Fatek Automation WinProladder Versions 3.3 and prior are vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code.","status":"published","published":"2022-05-24T17:47:09Z","modified":"2023-01-29T05:06:21Z","cwes":["CWE-191"],"updated_at":"2026-11-02T14:46:00.036476Z"}],"nvd":[{"id":"CVE-2021-27486","description":"FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code.","status":"published","published":"2021-04-12T15:15:15.53Z","modified":"2026-06-17T03:44:57.54Z","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-191"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}