CVE-2024-8935 HIGH

CVE-2024-8935

Vendor Schneider Electric
Product Modicon M340 CPU (part numbers BMXP34*)
Weakness CWE-290
Published November 13, 2024
Last update November 13, 2024

CVSS base score

7.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

CWE-290: Authentication Bypass by Spoofing vulnerability exists that could cause a denial of service and loss of confidentiality and integrity of controllers when conducting a Man-In-The-Middle attack between the controller and the engineering workstation while a valid user is establishing a communication session. This vulnerability is inherent to Diffie Hellman algorithm which does not protect against Man-In-The-Middle attacks.

Key dates

02Disclosure timeline

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