{"id":"CVE-2019-6847","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-6847","generatedAt":"2026-10-27T20:19:46.014Z","title":"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 attack on the FTP service when upgrading the…","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 attack on the FTP service when upgrading the firmware with a version incompatible with the application in the controller using FTP protocol.","published":"2019-10-29T19:15:22.000Z","lastModified":"2026-06-17T02:39:47.000Z","status":"Modified","sourceIdentifier":"cybersecurity@se.com","cvss":{"version":"3.1","score":4.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-755"],"affected":["schneider-electric/modicon m580 firmware","schneider-electric/modicon m340 firmware","schneider-electric/modicon bmxcra firmware","schneider-electric/modicon 140cra firmware"],"epss":{"score":0.00959,"percentile":0.61258,"date":"2026-10-26","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 (0.96%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2019-281-02/","tags":["Vendor Advisory"],"source":"cybersecurity@se.com"},{"url":"https://www.se.com/ww/en/download/document/SEVD-2019-281-02/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-6847","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."}