Authentication bypass in Echelon SmartServer 1
Priority MEDIUM 52CWE-288Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-288.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01579 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Echelon | SmartServer 1 | all versions | — | No fix listed | CNA |
| Echelon | SmartServer 2 | all versions prior to release 4.11.007 | — | No fix listed | CNA |
| Echelon | i.LON 100 | all versions | — | No fix listed | CNA |
| Echelon | i.LON 600 | all versions | — | No fix listed | CNA |
- SmartServer 1 VendorEchelon Affected all versions Fixed in — No fix listed CNA
- SmartServer 2 VendorEchelon Affected all versions prior to release 4.11.007 Fixed in — No fix listed CNA
- i.LON 100 VendorEchelon Affected all versions Fixed in — No fix listed CNA
- i.LON 600 VendorEchelon Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:echelon:smartserver_1_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Echelon |
| cpe:2.3:h:echelon:smartserver_1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Echelon |
| cpe:2.3:o:echelon:smartserver_2_firmware:*:*:*:*:*:*:*:* | before 4.11.007 | Vulnerable | Echelon |
| cpe:2.3:h:echelon:smartserver_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Echelon |
| cpe:2.3:o:echelon:i.lon_100_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Echelon |
| cpe:2.3:h:echelon:i.lon_100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Echelon |
| cpe:2.3:o:echelon:i.lon_600_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Echelon |
| cpe:2.3:h:echelon:i.lon_600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Echelon |
- cpe:2.3:o:echelon:smartserver_1_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Echelon
- cpe:2.3:h:echelon:smartserver_1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Echelon
- cpe:2.3:o:echelon:smartserver_2_firmware:*:*:*:*:*:*:*:* Versions before 4.11.007 Vulnerable ·Echelon
- cpe:2.3:h:echelon:smartserver_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Echelon
- cpe:2.3:o:echelon:i.lon_100_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Echelon
- cpe:2.3:h:echelon:i.lon_100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Echelon
- cpe:2.3:o:echelon:i.lon_600_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Echelon
- cpe:2.3:h:echelon:i.lon_600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Echelon
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8859
- 2026-10-03 Alias added: GHSA-fvc7-qrrw-9pwh
References
More Echelon I.lon 100 Firmware vulnerabilities
- TI-2018-07515 Information disclosure in Echelon SmartServer 1 CVSS 3.1CRITICAL 9.8
- TI-2018-06393 Insufficiently protected credentials in Echelon SmartServer 1 CVSS 3.1CRITICAL 9.8
- TI-2018-06397 Cleartext transmission of sensitive information in Echelon SmartServer 1 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2018-8859 · CVE Program
- CVE-2018-8859 · NVD
- FIRST EPSS
- GHSA-fvc7-qrrw-9pwh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences