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vulnerabilities
Nozomi identifies 12 vulnerabilities in Siemens SCALANCE LPE9403, enabling root access and OT network attacks
Nozomi Networks Labs identified 12 vulnerabilities in Siemens SCALANCE LPE9403 Local Processing Engine devices, with nine affecting firmware below V4.0 HF0 and three affecting systems with SINEMA Remote Connect Edge Client through V2.1. Multiple vulnerabilities can be chained to achieve root-level access, enabling attackers to manipulate telemetry, suppress alarms, exfiltrate operational data, or disrupt critical services across OT networks. Siemens has released patches, and asset owners must apply updates immediately and implement network segmentation to reduce exposure.
Why it matters: Organizations operating Siemens SCALANCE LPE9403 devices in industrial environments face immediate risk of data manipulation, service disruption, and lateral movement across multiple OT networks if devices are not updated to firmware V4.0 HF0 or later, or if SINEMA Remote Connect clients are not updated to version V2.1 or later.
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- First seen by Cybersecurity Tracker