Vulnerability · Published Nov 13, 2024 · Assigned by schneider
CVE-2024-8938
High 8.1
In plain English
A high-severity memory corruption 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 45% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 54.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H