CVE-1999-0791

Hybrid Network cable modems do not include an authentication mechanism for administration, allowing remote attackers to compromise the system through the HSMP…

published October 13, 2000

CVSS
—
EPSS
4%
Percentile
89.9
In the wild
Unconfirmed
What it is

⚠️ Guess what? Your Hybrid Network cable modem may be an open book for attackers, as it lacks an authentication mechanism for admin access! 🤯 Think of it like a restaurant that leaves the back door wide open, allowing anyone to waltz in and take over the kitchen without a single ID check. It's surprisingly easy for a mischief-maker to spice up the menu or turn off the ovens! Without any authentication, a remote attacker could gain full administrative control over your modem, potentially leading to unauthorized access to your network. They could reroute your internet traffic, monitor your online activities, or even disable your connection entirely—talk about a digital nightmare!

Put simply

Think of it like a restaurant that leaves the back door wide open, allowing anyone to waltz in and take over the kitchen without a single ID check. It's surprisingly easy for a mischief-maker to spice up the menu or turn off the ovens! This vulnerability arises from the absence of an authentication mechanism in the HSMP protocol used by Hybrid Network cable modems, allowing attackers to compromise the system with minimal effort.

What to do

Without any authentication, a remote attacker could gain full administrative control over your modem, potentially leading to unauthorized access to your network. They could reroute your internet traffic, monitor your online activities, or even disable your connection entirely—talk about a digital nightmare! To safeguard your network, check your modem's firmware and apply any available updates from the manufacturer. If possible, consider changing the default admin settings and disabling remote management features to add an extra layer of security! You've got this! With a few simple steps, you can secure your modem and keep the digital villains at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03768 · 89.9th percentile
Published
2000-10-13T04:00Z
EPSS history
Timeline
  • 13 OCT 04:00Z
    Hybrid Network cable modems do not include an authentication mechanism for administration, allowing remote attackers to compromise the system through the HSMP…
    cvelistv5