{"id":"CVE-2019-6833","aliases":["EUVD-2019-16387","GHSA-w8qp-5q95-q255"],"status":"published","title":"A CWE-754 ? Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis...","description":"A CWE-754 – Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis HMI Panels (all versions of - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU), which could cause a temporary freeze of the HMI when a high rate of frames is received. When the attack stops, the buffered commands are processed by the HMI panel.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01049,"percentile":0.64517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2019-09-17T19:36:57Z","modified":"2026-06-17T02:39:45Z","products":[{"vendor":"schneider electric se","product":"magelis hmi panels"},{"vendor":"schneider-electric","product":"hmigto_firmware"},{"vendor":"schneider-electric","product":"hmigtu_firmware"},{"vendor":"schneider-electric","product":"hmigxo_firmware"},{"vendor":"schneider-electric","product":"hmigxu_firmware"},{"vendor":"schneider-electric","product":"hmiscu_firmware"},{"vendor":"schneider-electric","product":"hmisto_firmware"},{"vendor":"schneider-electric","product":"hmistu_firmware"},{"vendor":"schneider-electric","product":"xbtgh_firmware"},{"vendor":"schneider-electric","product":"xbtgt_firmware"}],"references":[{"url":"https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-225-01","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://security.cse.iitk.ac.in/responsible-disclosure","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6833"},{"url":"https://github.com/advisories/GHSA-w8qp-5q95-q255"}],"sources":{"cve":[{"id":"CVE-2019-6833","description":"A CWE-754 – Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis HMI Panels (all versions of - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU), which could cause a temporary freeze of the HMI when a high rate of frames is received. When the attack stops, the buffered commands are processed by the HMI panel.","status":"published","published":"2019-09-17T19:36:57Z","modified":"2025-09-30T14:36:19.669Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-16387","description":"A CWE-754 – Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis HMI Panels (all versions of - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU), which could cause a temporary freeze of the HMI when a high rate of frames is received. When the attack stops, the buffered commands are processed by the HMI panel.","status":"published","published":"2019-09-17T19:36:57Z","modified":"2025-09-30T14:36:19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:31:38.096877Z"}],"ghsa":[{"id":"GHSA-w8qp-5q95-q255","title":"A CWE-754 ? Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis...","description":"A CWE-754 ? Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis HMI Panels (all versions of - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU), which could cause a temporary freeze of the HMI when a high rate of frames is received. When the attack stops, the buffered commands are processed by the HMI panel.","status":"published","published":"2022-05-24T16:56:25Z","modified":"2025-09-30T15:31:31Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:03:49.069159Z"}],"nvd":[{"id":"CVE-2019-6833","description":"A CWE-754 – Improper Check for Unusual or Exceptional Conditions vulnerability exists in Magelis HMI Panels (all versions of - HMIGTO, HMISTO, XBTGH, HMIGTU, HMIGTUX, HMISCU, HMISTU, XBTGT, XBTGT, HMIGXO, HMIGXU), which could cause a temporary freeze of the HMI when a high rate of frames is received. When the attack stops, the buffered commands are processed by the HMI panel.","status":"published","published":"2019-09-17T20:15:12.467Z","modified":"2026-06-17T02:39:45.74Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:05:28.126831Z"}]}}