CVE-2018-8851
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). 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. 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.
- 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
- 1.31% probability · 70th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-256, CWE-522
- 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
EPSS 1.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://ics-cert.us-cert.gov/advisories/ICSA-18-200-03Third Party Advisory, US Government Resource
- https://ics-cert.us-cert.gov/advisories/ICSA-18-200-03Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.