CVE-2018-4850 (GCVE-0-2018-4850)
Vulnerability from cvelistv5
Published
2018-05-16 17:00
Modified
2024-09-16 22:46
Severity ?
CWE
  • CWE-20 - Improper Input Validation
Summary
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.
References
Impacted products
Vendor Product Version
Siemens AG SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below, SIMATIC S7-400 (incl. F) CPU hardware version 5.0, SIMATIC S7-400H CPU hardware version 4.5 and below Version: SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below : All versions
Version: SIMATIC S7-400 (incl. F) CPU hardware version 5.0 : All firmware versions < V5.2
Version: SIMATIC S7-400H CPU hardware version 4.5 and below : All versions
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