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.
History

Fri, 29 May 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: schneider

Published: 2020-11-18T13:54:32.000Z

Updated: 2026-05-29T13:21:41.514Z

Reserved: 2020-01-21T00:00:00.000Z

Link: CVE-2020-7562

cve-icon Vulnrichment

Updated: 2024-08-04T09:33:19.944Z

cve-icon NVD

Status : Modified

Published: 2020-11-18T14:15:12.377

Modified: 2026-05-29T14:16:21.857

Link: CVE-2020-7562

cve-icon Redhat

No data.