Security readout for executives and security teams
Plain-English summary
This CVE concerns Echelon building/industrial network devices where an unauthenticated network attacker could use the SOAP API to read or change sensitive configuration, including Web and FTP usernames and passwords. That creates direct risk of credential compromise, device takeover, and operational disruption.
Executive priority
Treat this as urgent for any exposed OT or building-management environment. The business risk is not just data leakage; stolen management credentials can enable configuration changes and service disruption. Prioritize discovery, segmentation, vendor guidance, and credential rotation.
Technical view
The issue is described as CWE-200 information exposure through the SOAP API with unauthenticated network access, low attack complexity, and high confidentiality, integrity, and availability impact. Affected evidence names SmartServer 1, SmartServer 2 before 4.11.007, and i.LON 100; i.LON 600 evidence is contradictory.
Likely exposure
Most likely exposure is Echelon SmartServer or i.LON deployments reachable from enterprise, OT, building-management, or vendor-access networks. Internet exposure would materially increase urgency. i.LON 600 status should be verified because the source bundle both lists it and says it is not affected.
Exploitation context
The provided sources do not state active exploitation, and KEV is false. The CVSS vector indicates remote unauthenticated exploitation is possible if the SOAP API is reachable, but the bundle does not provide exploit prevalence, public exploit confirmation, or scanning evidence.
Researcher notes
The strongest evidence is the CVSS 9.8 description of unauthenticated SOAP API access to sensitive configuration. The source bundle has an internal conflict: it lists i.LON 600 but also says the vulnerability does not affect i.LON 600. Do not assert i.LON 600 exposure without confirmation.
Mitigation direction
- Upgrade SmartServer 2 to release 4.11.007 or later if applicable.
- Check vendor guidance for SmartServer 1 and i.LON 100 remediation options.
- Restrict SOAP API access to trusted management networks only.
- Remove direct internet exposure for affected management interfaces.
- Rotate Web and FTP credentials after remediation or containment.
- Verify i.LON 600 status with vendor advisories before actioning it.
Validation and detection
- Inventory Echelon SmartServer and i.LON devices across IT and OT networks.
- Identify SmartServer 2 versions below release 4.11.007.
- Confirm whether SOAP API endpoints are reachable from untrusted networks.
- Review device configuration for unexpected Web or FTP credential changes.
- Check firewall and remote-access paths to these management interfaces.
- Document i.LON 600 findings separately due source inconsistency.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-10627 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://ics-cert.us-cert.gov/advisories/ICSA-18-200-03CVE reference, icscert · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.