{"id":"CVE-2024-0803","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-0803","generatedAt":"2026-10-28T02:12:52.082Z","title":"Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU modules allows a remote unauthenticated attacker to execute malicious code on a target product by sending a specially crafted packet.","description":"Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU modules allows a remote unauthenticated attacker to execute malicious code on a target product by sending a specially crafted packet.","published":"2024-03-15T01:15:58.000Z","lastModified":"2026-06-17T06:54:20.000Z","status":"Deferred","sourceIdentifier":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-190"],"affected":[],"epss":{"score":0.01044,"percentile":0.63903,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://jvn.jp/vu/JVNVU99690199/","source":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-24-074-14","source":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"},{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-024_en.pdf","source":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"},{"url":"https://jvn.jp/vu/JVNVU99690199/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-24-074-14","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-024_en.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-0803","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."}