CVE-2023-25619 | BDVDB-2026-200617 Detail

Schneider ElectricModicon M340 CPU (part numbers BMXP34*)

Description#

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denial of service of the controller when communicating over the Modbus TCP protocol.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-754 Improper Check for Unusual or Exceptional Conditions

References#

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-101-05&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-101-05.pdf

Exploit#

No public exploit known

History#

Version 12023-04-19Record published in the CVE List.
Version 22025-02-05Most recent update recorded in the CVE List.

Published

Published: 2023-04-19
Last modified: 2025-02-05

Vendor information

Vendor: Schneider Electric
Product: Modicon M340 CPU (part numbers BMXP34*)

All Schneider Electric vulnerabilities

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 50.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
prior to SV3.51
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).