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CVE PROGRAM SOURCE RECORDUnscored

CVE-2018-4850

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 v

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Status
Published
Published
Updated
Assigning organization
siemens

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

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

  • 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