{"id":"CVE-2021-38432","aliases":["EUVD-2021-24884","GHSA-2qjg-mr5r-c2hw"],"status":"published","title":"FATEK Automation Communication Server","description":"FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supplied data, which could result in a stack-based buffer overflow condition and allow an attacker to remotely execute code.","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":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0187,"percentile":0.795,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2021-10-15T14:13:54Z","modified":"2026-06-17T04:02:05Z","products":[{"vendor":"fatek","product":"communication_server_firmware"},{"vendor":"fatek automation","product":"communication server"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-280-07","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38432"},{"url":"https://github.com/advisories/GHSA-2qjg-mr5r-c2hw"}],"sources":{"cve":[{"id":"CVE-2021-38432","title":"FATEK Automation Communication Server","description":"FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supplied data, which could result in a stack-based buffer overflow condition and allow an attacker to remotely execute code.","status":"published","published":"2021-10-15T14:13:54.937Z","modified":"2024-09-16T18:54:26.198Z","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":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-24884","description":"FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supplied data, which could result in a stack-based buffer overflow condition and allow an attacker to remotely execute code.","status":"published","published":"2021-10-15T14:13:54Z","modified":"2024-09-16T18:54:26Z","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"}],"updated_at":"2026-11-03T00:55:28.088118Z"}],"ghsa":[{"id":"GHSA-2qjg-mr5r-c2hw","title":"FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user...","description":"FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supplied data, which could result in a stack-based buffer overflow condition and allow an attacker to remotely execute code.","status":"published","published":"2022-05-24T19:17:42Z","modified":"2023-01-30T05:02:40Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:46:41.667597Z"}],"nvd":[{"id":"CVE-2021-38432","description":"FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supplied data, which could result in a stack-based buffer overflow condition and allow an attacker to remotely execute code.","status":"published","published":"2021-10-15T15:15:08.39Z","modified":"2026-06-17T04:02:05.28Z","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":"secondary"},{"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":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}