Vulnerability · Published Nov 13, 2024 · Assigned by schneider

CVE-2024-8936

Medium 6.5

In plain English

A medium-severity improper input validation in Modicon M340 CPU (part numbers BMXP34*) from Schneider Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 57.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

CWE-20: Improper Input Validation vulnerability exists that could lead to loss of confidentiality of controller memory after a successful Man-In-The-Middle attack followed by sending a crafted Modbus function call used to tamper with memory.

Affected products (as reported)

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

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

References