CVE-2018-8855

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-24 · updated 2026-06-17
Weakness: CWE-319

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.

Affected products

Echelon I.Lon 100 Firmware: all versions
Echelon I.Lon 600 Firmware: all versions
Echelon Smartserver 1 Firmware: all versions
Echelon Smartserver 2 Firmware: before 4.11.007 — fixed in 4.11.007

How to fix

Upgrade to a fixed version: Echelon Smartserver 2 Firmware 4.11.007. Check the vendor advisory for mitigations.

References

https://ics-cert.us-cert.gov/advisories/ICSA-18-200-03
https://ics-cert.us-cert.gov/advisories/ICSA-18-200-03

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