{"id":"CVE-2020-7562","aliases":["EUVD-2020-28687","GHSA-jhf7-x7rx-7fc9"],"status":"published","title":"A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon...","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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00906,"percentile":0.60298,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2020-11-18T13:54:32Z","modified":"2026-06-17T03:25:00Z","products":[{"vendor":"schneider-electric","product":"modicon_m340_bmx_noc_0401_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_bmx_noe_0100_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_bmx_noe_0100h_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_bmx_noe_0110_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_bmx_noe_0110h_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_bmx_nor_0200h_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_bmx_p34-2010_firmware"},{"vendor":"schneider-electric","product":"modicon_m340_bmx_p34-2030_firmware"},{"vendor":"schneider-electric","product":"modicon_quantum_140cpu65150_firmware"},{"vendor":"schneider-electric","product":"modicon_quantum_140cpu65150c_firmware"},{"vendor":"schneider-electric","product":"modicon_quantum_140cpu65160_firmware"},{"vendor":"schneider-electric","product":"modicon_quantum_140cpu65160c_firmware"},{"vendor":"schneider-electric","product":"modicon_quantum_140noc78100_firmware"},{"vendor":"schneider-electric","product":"modicon_quantum_140noe77101_firmware"},{"vendor":"schneider-electric","product":"modicon_quantum_140noe77111_firmware"},{"vendor":"schneider-electric","product":"modicon_tsxety4103_firmware"},{"vendor":"schneider-electric","product":"modicon_tsxety5103_firmware"},{"vendor":"schneider-electric","product":"modicon_tsxp574634_firmware"},{"vendor":"schneider-electric","product":"modicon_tsxp575634_firmware"},{"vendor":"schneider-electric","product":"modicon_tsxp576634_firmware"}],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-315-01/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7562"},{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-315-01"},{"url":"https://github.com/advisories/GHSA-jhf7-x7rx-7fc9"}],"sources":{"cve":[{"id":"CVE-2020-7562","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.","status":"published","published":"2020-11-18T13:54:32Z","modified":"2026-05-29T13:21:41.514Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2020-28687","description":"A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon 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