Vulnerability-Lookup

VAR-202211-1344

Vulnerability from variot - Updated: 2024-08-14 14:49

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). Schneider Electric Modicon M340 is a medium-range PLC (programmable logic controller) for industrial processes and infrastructures from Schneider Electric, France.

Schneider Electric products have a number error vulnerability. The vulnerability is caused by a memory access violation. Attackers can use the vulnerability to launch a denial of service attack

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CVE-2022-37301 (GCVE-0-2022-37301)

Vulnerability from cvelistv5 – Published: 2022-11-22 00:00 – Updated: 2025-04-28 14:32

Summary

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-28 14:32 UTC

CWE

CWE-191 - Integer Underflow (Wrap or Wraparound)

Assigner

schneider CNA under the mitre root

CNA scorecard C 65/100 over 23 records in the last 180 days details

References

1 reference

URL	Tags
https://www.se.com/us/en/download/document/SEVD-2…

Impacted products

5 products

Vendor	Product	Version
Schneider Electric	Modicon M340 CPU (part numbers BMXP34*)	Affected: V , ≤ 3.40 (custom)
Schneider Electric	Modicon M580 CPU (part numbers BMEP* and BMEH*)	Affected: V , ≤ 3.22 (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 , ≤ 1.7 (custom)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
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