CVE-2024-8938

HIGH

Schneider Electric Modicon M340 CPU BMXP34* < SV3.65 - Remote Code Execution via Crafted Modbus Function Call

Title source: llm
STIX 2.1

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 memory size computation.

References (1)

Core 1

Scores

CVSS v3 8.1
EPSS 0.0052
EPSS Percentile 40.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

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