CVE record · CVE-2022-37301

Integer underflow in Schneider Electric Modicon M340 CPU (part numbers BMXP34*) and others

CVSS 7.5 HighEPSS 0.0077 · 55th percentile

Published by the CVE Program (CNA: schneider) at 22 Nov 2022, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Schneider Electric Modicon M340 CPU (part numbers BMXP34*)
  • affected V to 3.40, inclusive custom
Schneider Electric Modicon M580 CPU (part numbers BMEP* and BMEH*)
  • affected V to 3.22, inclusive custom
Schneider Electric Legacy Modicon Quantum/Premium
  • affected All Versions
Schneider Electric Modicon Momentum MDI (171CBU*)
  • affected All Versions
Schneider Electric Modicon MC80 (BMKC80)
  • affected V to 1.7, inclusive custom
Identifiers
CVE-2022-37301
CNA
schneider
Weakness (CWE)
CWE-191
Published
22 Nov 2022
Updated
28 Apr 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (schneider)
  • CISA KEV Not listed.
  • EPSS 0.0077, the 55th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Nov 2022. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.