Schneider Electric Modicon M340 CPU (part numbers BMXP34*)

CVE-2022-37301

HIGH 7.5

At a glance

Source: NVD
EPSS: EPSS 0.77 % · percentile 56 (2026-10-31)
State: PUBLISHED
Published: 2022-11-22 00:00 UTC
Updated: 2025-04-28 14:32 UTC
Assigner: schneider
NVD status: Modified

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Description

A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)

Weaknesses (CWE)

CWE-191 — Integer Underflow (Wrap or Wraparound)

References

https://www.se.com/us/en/download/document/SEVD-2022-221-02/

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	schneider
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · cybersecurity@se.com (Secondary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2022-39937
GCVE · GCVE-0-2022-37301

CERT-FR advisories

CERTFR-2022-AVI-815 — Multiples vulnérabilités dans les produits Schneider · cert.ssi.gouv.fr
CERTFR-2022-AVI-717 — Multiples vulnérabilités dans les produits Schneider · cert.ssi.gouv.fr
CERTFR-2022-AVI-1093 — Multiples vulnérabilités dans les produits Schneider · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:schneider-electric:modicon_m340_bmx_p34-2010_firmware:*:*:*:*:*:*:*:* < 3.50
cpe:2.3:o:schneider-electric:modicon_m340_bmx_p34-2030_firmware:*:*:*:*:*:*:*:* < 3.50
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040c_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020h_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020h_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040h_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040c_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040c_firmware:*:*:*:*:*:*:*:* < 4.01
cpe:2.3:o:schneider-electric:modicon_mc80_bmkc8020301_firmware:*:*:*:*:*:*:*:* < 1.8
cpe:2.3:o:schneider-electric:modicon_mc80_bmkc8020310_firmware:*:*:*:*:*:*:*:* < 1.8
cpe:2.3:o:schneider-electric:modicon_mc80_bmkc8030311_firmware:*:*:*:*:*:*:*:* < 1.8
cpe:2.3:o:schneider-electric:modicon_momentum_171cbu78090_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_momentum_171cbu98090_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_momentum_171cbu98091_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_premium_tsxp57_1634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_premium_tsxp57_2634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_premium_tsxp57_2834m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_premium_tsxp57_454m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_premium_tsxp57_4634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_premium_tsxp57_554m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_premium_tsxp57_5634m_firmware:-:*:*:*:*:*:*:*
+8 more

Affected products

Product	Versions
Schneider Electric · Modicon M340 CPU (part numbers BMXP34*)	affected V ≤ 3.40
Schneider Electric · Modicon M580 CPU (part numbers BMEP* and BMEH*)	affected V ≤ 3.22
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 ≤ 1.7

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

⚠️ Schneider Electric Modicon M340 CPU (part numbers BMXP34*)