yersinia
Network vulnerabilities check software
Platforms: Linux · Last verified September 6, 2026
Yersinia is a framework for performing layer 2 attacks. It is designed to take advantage of some weakeness in different network protocols. It pretends to be a solid framework for analyzing and testing the deployed networks and systems.
Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.
Getting started
See the official Kali tool page and upstream homepage linked above for installation and usage details.