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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published: 2018-05-16T17:00:00Z

Updated: 2024-09-16T22:46:02.128Z

Reserved: 2018-01-02T00:00:00

Link: CVE-2018-4850

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-05-16T17:29:00.387

Modified: 2024-11-21T04:07:35.003

Link: CVE-2018-4850

cve-icon Redhat

No data.