CVE-2024-8938: schneider electric modicon m340 cpu (part numbers bmxp34*)

Vulnerability summary

CVE-2024-8938 is a critical (CVSS 9.2) vulnerability in schneider electric modicon m340 cpu (part numbers bmxp34*). EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 44% of scored vulnerabilities.

Timeline

1. 13-11-2024
   PublishedVulnerability first disclosed.
2. 13-11-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.