VIR Vulnerability Intelligence Relay

CVE-2020-7562

high
Published 2020-11-18 · Modified 2026-05-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
8.1

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.

Predictions

Exploit likelihood
88%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
schneider-electricmodicon_tsxety4103-
schneider-electricmodicon_tsxety5103-
schneider-electricmodicon_tsxp574634-
schneider-electricmodicon_tsxp575634-
schneider-electricmodicon_tsxp576634-
schneider-electricmodicon_quantum_140noe77101-
schneider-electricmodicon_quantum_140noe77111-
schneider-electricmodicon_quantum_140noc78100-
schneider-electricmodicon_quantum_140cpu65150-
schneider-electricmodicon_quantum_140cpu65150c-
schneider-electricmodicon_quantum_140cpu65160c-
schneider-electricmodicon_quantum_140cpu65160-
schneider-electricmodicon_m340_bmx_p34-2010-
schneider-electricmodicon_m340_bmx_p34-2030-
schneider-electricmodicon_m340_bmx_noc_0401-
schneider-electricmodicon_m340_bmx_noe_0100-
schneider-electricmodicon_m340_bmx_noe_0100h-
schneider-electricmodicon_m340_bmx_noe_0110-
schneider-electricmodicon_m340_bmx_noe_0110h-
schneider-electricmodicon_m340_bmx_nor_0200h-

References

CWEs

CWE-125

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.