Ethernet/IP UDP Handler Information Disclosure Vulnerability

Ethernet/IP UDP Handler Information Disclosure Vulnerability

CVE-2021-21777 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H

An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read.

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