Denial of Service Vulnerability in Allen-Bradley Flex IO 1794-AENT/B

CVE-2020-6084

What is CVE-2020-6084?

A vulnerability exists in the ENIP Request Path Logical Segment functionality of the Allen-Bradley Flex IO 1794-AENT/B device. This vulnerability can be exploited by sending a specially crafted network request, known as an Electronic Key Segment, which contains fewer bytes than specified in the Key Format Table. Successful exploitation leads to a loss of communication with the affected device, resulting in denial-of-service conditions. It is imperative for users of this device to monitor their network traffic and implement security measures to mitigate potential attacks.

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References