SSA-316383 V1.1 (Last Update: 2022-02-08): NumberJack Vulnerability in LOGO! CMR and SIMATIC RTU 3000 devices

Risk Summary

<p>A vulnerability has been identified in the underlying TCP/IP stack of LOGO! CMR and SIMATIC RTU 3000 devices. It could allow an attacker with network access to the LAN interface of an affected device to hijack an ongoing connection or spoof a new one. The WAN interface, however, is not affected.</p> <p>Siemens has released updates for the affected products and recommends to update to the latest versions.</p>

Remediations

• Refer to Siemens ProductCERT advisory for patch and remediation guidance.

Affected Vendors

Affected Products (1)