CVE-2018-8859

CRITICAL

CVSS v3.1: 9.8 · EPSS: 0.0031 (54.5 percentile)

NetworkNo privilegesNo user interactionImproper AuthenticationVendor advisory ref

Source data as of:

At a glance

Severity
CRITICAL
CVSS
9.8 v3.1 · NVD
EPSS
0.0031 (54.5 percentile) · FIRST.org
CISA KEV
No
Type
Improper Authentication · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Affected vendors
echelon
Published
2018-07-24 · Modified: 2026-06-02

CVSS / EPSS / KEV

CVSS v3.1 9.8 / 10 CRITICAL Source: NVD
EPSS 0.0031 54.5 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

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.

Record details

CVE ID
CVE-2018-8859
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
Exploitability subscore
3.9
Impact subscore
5.9
EPSS
0.0031 (54.5 percentile) — 2026-06-03
CISA KEV
No
Weakness (CWE)
CWE-288, CWE-287
Affected vendors
echelon
Affected configurations (CPE)
4
Published
2018-07-24
Modified
2026-06-02
Status
Modified

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.