CVE-2024-8938 CRITICAL

CVE-2024-8938

Vendor Schneider Electric
Product Modicon M340 CPU (part numbers BMXP34*)
Weakness CWE-119
Published November 13, 2024
Last update November 13, 2024

CVSS base score

9.2/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 13, 2024 CVE published
November 13, 2024 Record updated