PoC for CVE-2023-28771 based on Rapid7's excellent writeup
Requires the scapy Python library for sending IKE packets.
usage: CVE-2023-28771-poc.py [-h] [--cmd CMD] [--lhost LHOST] [--lport LPORT] rhost
positional arguments:
rhost
options:
-h, --help show this help message and exit
--cmd CMD
--lhost LHOST
--lport LPORT
Either use --cmd to run an arbitrary command, or use --lport and --lhost to spawn a revshell