Security readout for executives and security teams
Plain-English summary
This issue affects Schneider Electric SoMachine Basic versions before v1.6 SP1. A specially crafted XML project or template file could cause the software to disclose arbitrary data from the workstation running it. The available sources do not show active exploitation or a CVSS score.
Executive priority
Treat this as a workstation exposure management item for industrial engineering environments. Prioritize patching where SoMachine Basic handles external project files, but the provided evidence does not support emergency treatment based on active exploitation.
Technical view
The vulnerability is an XML External Entity issue triggered when SoMachine Basic parses unsanitized XML project/template files. The described technique uses DTD parameter entities and out-of-band retrieval, potentially exposing arbitrary data from the affected node. Affected versions are prior to v1.6 SP1.
Likely exposure
Exposure is likely limited to engineering workstations or systems running Schneider Electric SoMachine Basic before v1.6 SP1, especially where users open project or template files from email, shared drives, vendors, or other untrusted sources.
Exploitation context
The source bundle describes a file-parsing attack path, not a network service exposure. CISA KEV status is false in the provided data, and no cited source in the bundle confirms active exploitation.
Researcher notes
Key evidence is limited to the CVE description and Schneider advisory reference. No CVSS, CWE, exploit confirmation, or detailed vendor mitigation text is included in the supplied bundle, so impact and remediation should be verified against the advisory.
Mitigation direction
- Upgrade SoMachine Basic to v1.6 SP1 or later where applicable.
- Review Schneider Electric advisory SEVD-2018-142-01 for vendor-specific guidance.
- Restrict use of untrusted XML project or template files.
- Apply engineering workstation egress controls where operationally feasible.
Validation and detection
- Inventory SoMachine Basic installations and record exact versions.
- Flag any installation earlier than v1.6 SP1 as affected.
- Review how project and template files enter engineering workflows.
- Check DNS or proxy logs for unexpected outbound callbacks from engineering workstations.
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.
CVE-2018-7783 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.schneider-electric.com/en/download/document/SEVD-2018-142-01/CVE reference · x_refsource_CONFIRM
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.