{"id":"CVE-2020-28220","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-28220","generatedAt":"2026-10-28T06:36:42.484Z","title":"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…","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.","published":"2020-12-11T01:15:12.000Z","lastModified":"2026-06-17T03:10:14.000Z","status":"Modified","sourceIdentifier":"cybersecurity@se.com","cvss":{"version":"3.1","score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["schneider-electric/modicon m258 firmware","schneider-electric/somachine","schneider-electric/somachine motion"],"epss":{"score":0.01084,"percentile":0.65051,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.08%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-343-09/","tags":["Vendor Advisory"],"source":"cybersecurity@se.com"},{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-343-09/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-28220","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}