What’s Vulnerable › Vulnerabilities

CVE-2018-8859

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% 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-288

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. An attacker can bypass the required authentication specified in the security configuration file by including extra characters in the directory name when specifying the directory to be accessed. This vulnerability does not affect the i.LON 600 product.

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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