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Vulnerability record · CVE-2023-6408 · published 14 February 2024

CVE-2023-6408: Schneider-electric modicon m340 bmxp341000 firmware vulnerability

Schneider Electric · Modicon M340 Bmxp341000 Firmware

CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability exists that could cause a denial of service and loss of confidentiality, integrity of controllers when conducting a Man in the Middle attack.

8.1 CVSS 3.1 High EPSS 0.32% · top 77.4% CWE-924 · CWE-924
8.1CVSS 3.1 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
46Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability exists that could cause a denial of service and loss of confidentiality, integrity of controllers when conducting a Man in the Middle attack.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

46 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-044-01&p_enDocType=Security+and+Safety+Notice&p_File_N Vendor Advisory
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-044-01&p_enDocType=Security+and+Safety+Notice&p_File_N Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-6408), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.