Riskcovery

CVE-2018-4850

State
Published
Severity
Not scored
Published
May 16, 2018
Updated
Sep 16, 2024
Reserved
Jan 2, 2018

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
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 belowSiemens AG
  • SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below : All versionsAffected
  • SIMATIC S7-400 (incl. F) CPU hardware version 5.0 : All firmware versions < V5.2Affected
  • SIMATIC S7-400H CPU hardware version 4.5 and below : All versionsAffected

References

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