{"id":"CVE-2020-7562","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-7562","generatedAt":"2026-10-28T05:27:12.371Z","title":"A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause a segmentation fault or a buffer…","description":"A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause a segmentation fault or a buffer overflow when uploading a specially crafted file on the controller over FTP.","published":"2020-11-18T14:15:12.000Z","lastModified":"2026-06-17T03:25:01.000Z","status":"Modified","sourceIdentifier":"cybersecurity@se.com","cvss":{"version":"3.1","score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},"cwe":["CWE-125"],"affected":["schneider-electric/modicon tsxety4103 firmware","schneider-electric/modicon tsxety5103 firmware","schneider-electric/modicon tsxp574634 firmware","schneider-electric/modicon tsxp575634 firmware","schneider-electric/modicon tsxp576634 firmware","schneider-electric/modicon quantum 140noe77101 firmware","schneider-electric/modicon quantum 140noe77111 firmware","schneider-electric/modicon quantum 140noc78100 firmware","schneider-electric/modicon quantum 140cpu65150 firmware","schneider-electric/modicon quantum 140cpu65150c firmware","schneider-electric/modicon quantum 140cpu65160c firmware","schneider-electric/modicon quantum 140cpu65160 firmware","schneider-electric/modicon m340 bmx p34-2010 firmware","schneider-electric/modicon m340 bmx p34-2030 firmware","schneider-electric/modicon m340 bmx noc 0401 firmware","schneider-electric/modicon m340 bmx noe 0100 firmware","schneider-electric/modicon m340 bmx noe 0100h firmware","schneider-electric/modicon m340 bmx noe 0110 firmware","schneider-electric/modicon m340 bmx noe 0110h firmware","schneider-electric/modicon m340 bmx nor 0200h firmware"],"epss":{"score":0.00906,"percentile":0.59677,"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 (0.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-315-01/","tags":["Vendor Advisory"],"source":"cybersecurity@se.com"},{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-315-01/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-7562","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."}