{"id":"CVE-2020-28220","aliases":["EUVD-2020-20704","GHSA-xfpf-x83h-3xxj"],"status":"published","title":"A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability...","description":"A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01084,"percentile":0.65692,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2020-12-11T00:51:29Z","modified":"2026-06-17T03:10:13Z","products":[{"vendor":"schneider-electric","product":"modicon_m258_firmware"},{"vendor":"schneider-electric","product":"somachine"},{"vendor":"schneider-electric","product":"somachine_motion"}],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-343-09/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28220"},{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-343-09"},{"url":"https://github.com/advisories/GHSA-xfpf-x83h-3xxj"}],"sources":{"cve":[{"id":"CVE-2020-28220","description":"A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.","status":"published","published":"2020-12-11T00:51:29Z","modified":"2026-05-28T20:18:07.659Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-20704","description":"A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.","status":"published","published":"2020-12-11T00:51:29Z","modified":"2026-05-28T20:18:07Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:21:01.680356Z"}],"ghsa":[{"id":"GHSA-xfpf-x83h-3xxj","title":"A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability...","description":"A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.","status":"published","published":"2022-05-24T17:36:05Z","modified":"2026-05-28T21:33:04Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:08:22.24664Z"}],"nvd":[{"id":"CVE-2020-28220","description":"A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.","status":"published","published":"2020-12-11T01:15:11.94Z","modified":"2026-06-17T03:10:13.59Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":5.2,"vector":"AV:A/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:27.10541Z"}]}}