Siemens informed customers on Tuesday that some of its SICLOCK central plant clocks are affected by several vulnerabilities, including ones that have been rated “critical.”
Siemens SICLOCK devices are used to synchronize time in industrial plants. The central plant clock ensures stability in case of a failure or loss of reception at the primary time source.
According to the German industrial giant, SICLOCK systems are affected by a total of six vulnerabilities. The security holes have been assigned the CVE identifiers CVE-2018-4851 through CVE-2018-4856.
