CVE-2018-8851 Hardcoded credentials in SmartServer 1

Critical 9.8 Published 24 Jul 2018 Updated 2 Jun 2026

Attackers with configuration file access can log into the web interface because passwords are stored in plaintext.

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-2018-8851?

CVE-2018-8851 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 store passwords in plaintext, which may allow an attacker with access to the configuration file to log into the SmartServer web user interface.

Weakness: CWE-522, CWE-256

Which versions are affected by CVE-2018-8851?

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-2018-8851?

No fix has been published for CVE-2018-8851 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-8851 being exploited?

There is no known exploitation of CVE-2018-8851 in the wild and no public exploit code.

Sources

Also known as GHSA-37x4-rhq4-f92v.