CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.
CVE
CVE-2018-4850
Severity
HIGH
CVSS
7.5
EPSS
2.51%
Original NVD Description
A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart.
Related CVEs
Other vulnerabilities affecting the same vendor(s)