Is it is feasible that after operating some screaming frog and Xenu crawls on a site it crashed it?

This happened on one of the websites I am doing SEO for. I am not sure of the exact details but I did read somewhere this is possible if the server does not deny the request it is possible to overload it which might cause it to be really slow or even accident. Does this mean challengers can do this to anyone?

Anyone has experience with this?

submitted by / u/ psquarec to r/ SEO
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