SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8859

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.

CRITICAL 9.8EPSS 1.59%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.59% probability · 74th percentile
CISA KEV
Not listed
Weakness
CWE-288, CWE-287
Affected
echelon/smartserver 1 firmware · echelon/smartserver 2 firmware · echelon/i.lon 100 firmware · echelon/i.lon 600 firmware
Source
ics-cert@hq.dhs.gov

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.