{"id":"CVE-2020-7565","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-7565","generatedAt":"2026-10-28T06:48:02.135Z","title":"A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic…","description":"A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.","published":"2020-11-19T22:15:15.000Z","lastModified":"2026-06-17T03:25:01.000Z","status":"Modified","sourceIdentifier":"cybersecurity@se.com","cvss":{"version":"3.1","score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},"cwe":["CWE-326"],"affected":["schneider-electric/modicon m221 firmware"],"epss":{"score":0.00294,"percentile":0.21843,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04","tags":["Third Party Advisory","US Government Resource"],"source":"cybersecurity@se.com"},{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-315-05/","tags":["Vendor Advisory"],"source":"cybersecurity@se.com"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-315-05/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-7565","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."}