CVE-2018-8855 Misconfiguration in SmartServer 1

Critical 9.8 Published 24 Jul 2018 Updated 2 Jun 2026

Echelon SmartServer devices allow unencrypted web connections and insecure FTP updates by default, exposing configuration and firmware to interception or modification.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-8855?

CVE-2018-8855 is a critical vulnerability in Echelon SmartServer 1, published on 24 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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. The devices allow unencrypted Web connections by default, and devices can receive configuration and firmware updates by unsecure FTP.

Weakness: CWE-319

Which versions are affected by CVE-2018-8855?

It affects 4 products.

Products include Echelon I.lon 100 Firmware, Echelon I.lon 600 Firmware, Echelon Smartserver 1 Firmware, Echelon Smartserver 2 Firmware.

How do I fix CVE-2018-8855?

No fix has been published for CVE-2018-8855 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-8855 being exploited?

There is no known exploitation of CVE-2018-8855 in the wild and no public exploit code.

Sources

Also known as GHSA-r959-mqqr-2qrv.