{"id":"CVE-2019-6820","aliases":["EUVD-2019-16374","GHSA-phf4-8g7h-893g"],"status":"published","title":"A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a...","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01275,"percentile":0.70109,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2019-05-22T19:40:20Z","modified":"2026-06-17T02:39:44Z","products":[{"vendor":"schneider-electric","product":"atv_imc_drive_controller_firmware"},{"vendor":"schneider-electric","product":"modicon_lmc058_firmware"},{"vendor":"schneider-electric","product":"modicon_lmc078_firmware"},{"vendor":"schneider-electric","product":"modicon_m100_firmware"},{"vendor":"schneider-electric","product":"modicon_m200_firmware"},{"vendor":"schneider-electric","product":"modicon_m221_firmware"},{"vendor":"schneider-electric","product":"modicon_m241_firmware"},{"vendor":"schneider-electric","product":"modicon_m251_firmware"},{"vendor":"schneider-electric","product":"modicon_m258_firmware"},{"vendor":"schneider-electric","product":"pacdrive_eco_firmware"},{"vendor":"schneider-electric","product":"pacdrive_pro2_firmware"},{"vendor":"schneider-electric","product":"pacdrive_pro_firmware"}],"references":[{"url":"https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6820"},{"url":"https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02"},{"url":"https://github.com/advisories/GHSA-phf4-8g7h-893g"}],"sources":{"cve":[{"id":"CVE-2019-6820","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2","status":"published","published":"2019-05-22T19:40:20Z","modified":"2026-05-28T19:28:52.915Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-16374","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2","status":"published","published":"2019-05-22T19:40:20Z","modified":"2026-05-28T19:28:52Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T18:21:01.680356Z"}],"ghsa":[{"id":"GHSA-phf4-8g7h-893g","title":"A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a...","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2","status":"published","published":"2022-05-24T16:46:17Z","modified":"2026-05-28T21:32:54Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:08:22.24664Z"}],"nvd":[{"id":"CVE-2019-6820","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2","status":"published","published":"2019-05-22T20:29:02.137Z","modified":"2026-06-17T02:39:44.26Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:05:14.729983Z"}]}}