Denial of Service Vulnerability in Siemens SIMATIC S7-300 Profinet-enabled and Profinet-disabled CPU Devices

Denial of Service Vulnerability in Siemens SIMATIC S7-300 Profinet-enabled and Profinet-disabled CPU Devices

CVE-2016-3949 · HIGH Severity

AV:N/AC:L/AU:N/C:N/I:N/A:C

Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets.

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