CVE-2024-8937

MEDIUM

Schneider Electric Modicon M340 CPU BMXP34* < SV3.65 - Memory Corruption via Crafted Modbus Function Call

Title source: llm

Description

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a potential arbitrary code execution after a successful Man-In-The Middle attack followed by sending a crafted Modbus function call to tamper with memory area involved in the authentication process.

References (1)

Core 1

Core References

Various Sources

https://download.schneider-electric.com/doc/SEVD-2024-317-03/SEVD-2024-317-03.pdf

Scores

CVSS v3 6.5

EPSS 0.0057

EPSS Percentile 43.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-119

Status published

Products (3)

Schneider Electric/Modicon M340 CPU (part numbers BMXP34*) Versions prior to SV3.65

Schneider Electric/Modicon MC80 (part numbers BMKC80) All versions

Schneider Electric/Modicon Momentum Unity M1E Processor (171CBU*) All Versions

Published Nov 13, 2024

Tracked Since Feb 18, 2026