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Siemens AG

SIMATIC S7-400 (incl. F) CPU hardware version 4.0

3 Versions 1 CVE

Versions

SIMATIC S7-400 (incl. F) CPU hardware version 5.0:All firmware versions < V5.2

OTHER 1 CVE

SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below:All versions

OTHER 1 CVE

SIMATIC S7-400H CPU hardware version 4.5 and below:All versions

OTHER 1 CVE

Recent CVEs

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 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.

UNKNOWN May 16, 2018