Vulnerability Spotlight: Allen-Bradley Flex I/O vulnerable to denial of service

Jared Rittle of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw.
The Rockwell Automation Allen-Bradley Flex I/O input/output device is vulnerable to a denial-of-service vulnerability. FLEX I/O provides a wide range of input/output operations while keeping a smaller form factor. Users can communicate with the device via Ethernet/IP (ENIP) and HTTP. An attacker could send a specially crafted, malicious packet to the affected device, causing a denial of service.
In accordance with…

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