Denial of Service in Siemens SIMATIC S7-400 PN CPU Devices

CVE-2012-3017

Summary

The Siemens SIMATIC S7-400 PN CPU devices with firmware version 5.x are susceptible to a denial of service vulnerability that can be exploited by remote attackers. These attackers can cause a defect-mode transition and service outage by sending malformed HTTP traffic or malformed IP packets to the device. The result can lead to significant interruptions in service, potentially affecting operational efficiency in systems relying on these devices.

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