{"id":"CVE-2019-6844","aliases":["EUVD-2019-16398","GHSA-jpqv-cpmr-wh89"],"status":"published","title":"A CWE-248: Uncaught Exception vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA...","description":"A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00959,"percentile":0.61725,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2019-10-29T14:48:44Z","modified":"2026-06-17T02:39:47Z","products":[{"vendor":"schneider-electric","product":"modicon_140cra_firmware"},{"vendor":"schneider-electric","product":"modicon_bmxcra_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_firmware"},{"vendor":"schneider-electric","product":"modicon_m580_firmware"}],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2019-281-02/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6844"},{"url":"https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-281-02"},{"url":"https://github.com/advisories/GHSA-jpqv-cpmr-wh89"}],"sources":{"cve":[{"id":"CVE-2019-6844","description":"A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.","status":"published","published":"2019-10-29T14:48:44Z","modified":"2024-08-04T20:31:04.43Z","cwes":["CWE-755"],"updated_at":"2026-11-02T14:20:23.697579Z"}],"euvd":[{"id":"EUVD-2019-16398","description":"A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.","status":"published","published":"2019-10-29T14:48:44Z","modified":"2024-08-04T20:31:04Z","updated_at":"2026-11-03T03:06:47.494697Z"}],"ghsa":[{"id":"GHSA-jpqv-cpmr-wh89","title":"A CWE-248: Uncaught Exception vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA...","description":"A CWE-248: Uncaught Exception vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.","status":"published","published":"2022-05-24T17:00:05Z","modified":"2023-01-28T05:07:18Z","cwes":["CWE-755"],"updated_at":"2026-11-02T14:44:30.65038Z"}],"nvd":[{"id":"CVE-2019-6844","description":"A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.","status":"published","published":"2019-10-29T19:15:22.047Z","modified":"2026-06-17T02:39:47.017Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:05:32.982925Z"}]}}