CVE-2018-8855CWE-319

Echelon SmartServer 1 all versions, SmartServer 2 all versions prior to release 4.11.007, i.LON 100 all versions, and i.LON 600 all versions

Critical · published July 24, 2018

CVSS v3.1
9.8
EPSS
1%
Percentile
57.2
In the wild
Unconfirmed
What it is

🔥 An unsecured web connection is like leaving your front door wide open — and it’s happening in Echelon SmartServer devices! Think of these devices as a pizza restaurant that takes orders over the phone but never confirms the customer's identity. Without secured connections, anyone could call in and ask for a free pizza, or worse, alter the toppings! This vulnerability could allow attackers to intercept sensitive configurations and firmware updates, leading to potentially devastating consequences like unauthorized access to your smart systems, or even malicious updates that compromise your entire network! Imagine an intruder having a straight shot into your home automation, tampering with your settings at will!

Put simply

Think of these devices as a pizza restaurant that takes orders over the phone but never confirms the customer's identity. Without secured connections, anyone could call in and ask for a free pizza, or worse, alter the toppings! Echelon SmartServer devices are vulnerable due to their default allowance of unencrypted web connections and insecure FTP for updates, enabling attackers to send unverified commands and code.

What to do

This vulnerability could allow attackers to intercept sensitive configurations and firmware updates, leading to potentially devastating consequences like unauthorized access to your smart systems, or even malicious updates that compromise your entire network! Imagine an intruder having a straight shot into your home automation, tampering with your settings at will! To safeguard your systems, ensure all devices are updated to versions 4.11.007 or later where applicable. Additionally, enable secure connections and consider encrypting firmware updates to prevent unauthorized tampering. It's time for a thorough security audit! You’ve got this! By taking these steps, you can secure your devices and put those cyber intruders back in their place! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00833 · 57.2th percentile
Weakness
CWE-319 · Cleartext Transmission of Sensitive Information
Published
2018-07-24T17:00Z
EPSS history
Timeline
  • 24 JUL 17:00Z
    Echelon SmartServer 1 all versions, SmartServer 2 all versions prior to release 4.11.007, i.LON 100 all versions, and i.LON 600 all versions
    cvelistv5