{"id":"CVE-2018-7803","aliases":["EUVD-2018-19515","GHSA-gxxv-qg6g-737q"],"status":"published","title":"A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex...","description":"A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cause the emulator to crash when sending a specially crafted packet. The emulator is used infrequently for application logic testing. It is susceptible to an attack only while running in off-line mode. This vulnerability does not exist in Triconex hardware products and therefore has no effect on the operating safety functions in a plant.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01144,"percentile":0.66924,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2019-05-22T20:08:29Z","modified":"2026-06-17T02:03:46Z","products":[{"vendor":"schneider-electric","product":"triconex_tristation_emulator"}],"references":[{"url":"https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-071-03","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7803"},{"url":"https://github.com/advisories/GHSA-gxxv-qg6g-737q"}],"sources":{"cve":[{"id":"CVE-2018-7803","description":"A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cause the emulator to crash when sending a specially crafted packet. The emulator is used infrequently for application logic testing. It is susceptible to an attack only while running in off-line mode. This vulnerability does not exist in Triconex hardware products and therefore has no effect on the operating safety functions in a plant.","status":"published","published":"2019-05-22T20:08:29Z","modified":"2024-08-05T06:37:59.619Z","updated_at":"2026-11-02T14:35:10.313768Z"}],"euvd":[{"id":"EUVD-2018-19515","description":"A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cause the emulator to crash when sending a specially crafted packet. The emulator is used infrequently for application logic testing. It is susceptible to an attack only while running in off-line mode. This vulnerability does not exist in Triconex hardware products and therefore has no effect on the operating safety functions in a plant.","status":"published","published":"2019-05-22T20:08:29Z","modified":"2024-08-05T06:37:59Z","updated_at":"2026-11-03T02:40:04.680788Z"}],"ghsa":[{"id":"GHSA-gxxv-qg6g-737q","title":"A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex...","description":"A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cause the emulator to crash when sending a specially crafted packet. The emulator is used infrequently for application logic testing. It is susceptible to an attack only while running in off-line mode. This vulnerability does not exist in Triconex hardware products and therefore has no effect on the operating safety functions in a plant.","status":"published","published":"2022-05-24T16:46:11Z","modified":"2024-04-04T00:43:18Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:55:51.66271Z"}],"nvd":[{"id":"CVE-2018-7803","description":"A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cause the emulator to crash when sending a specially crafted packet. The emulator is used infrequently for application logic testing. It is susceptible to an attack only while running in off-line mode. This vulnerability does not exist in Triconex hardware products and therefore has no effect on the operating safety functions in a plant.","status":"published","published":"2019-05-22T21:29:00.277Z","modified":"2026-06-17T02:03:46Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"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":"2026-11-02T14:04:57.307075Z"}]}}