CVE Catalog

CVE-2016-3949

High
Published: Translated: NVD NIST

Summary

Siemens SIMATIC S7-300 CPU devices with Profinet support and those without Profinet support, running firmware before versions 3.2.12 and 3.3.12, allow remote attackers to cause a denial of service via crafted ISO-TSAP or Profibus packets.

Risk Assessment

Attackers can cause the device to transition to a defect mode, leading to service interruption. This may impact the continuity of industrial processes.

Recommendation

It is recommended to update the firmware of the devices to the latest versions to mitigate the risk associated with this vulnerability.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS