cve-2019-19781 --help
Check for the existence of CVE-2019-19781 on a host machine.
EXIT STATUS
    This utility exits with one of the following values:
    0   The host does not seem vulnerable
    1   Command was invoked incorrectly
    2   The host appears to be vulnerable
    >2  An error occurred.
For more information about this vulnerability see:
    https://nvd.nist.gov/vuln/detail/CVE-2019-19781
Usage:
  cve-2019-19781 [options] <host>
  cve-2019-19781 (-h | --help)
Options:
  -h --help              Show this message.
  --log-level=LEVEL      If specified, then the log level will be set to
                         the specified value.  Valid values are "debug", "info",
                         "warning", "error", and "critical". [default: info]
  -r --retries=count     Number of times to retry a failed connection attempt before
                         giving up. [default: 2]
  -t --timeout=seconds   Number of seconds to wait during each connection attempt.
                         [default: 10]