Triangle MicroWorks SCADA Data Gateway GTWWebMonitorService Unquoted Search Path Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute code on affected installations of Triangle MicroWorks SCADA Data Gateway. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the configuration of the GTWWebMonitorService service. The path to the service executable contains spaces not surrounded by quotations. An attacker can leverage this vulnerability to execute arbitrary code in the context of root. Was ZDI-CAN-20538.
Conclusion & alert: CVE-2023-39464 is rated Moderate Risk (55.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.58%). Core evidence: EPSS rose +1.35% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.23% | 1.58% | +1.35% |
| 2 | 2025-11-21 | 3.46% | 0.23% | -3.23% |
| 3 | 2025-11-18 | — | 3.46% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.0 | HIGH |
|
1.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| trianglemicroworks | scada_data_gateway | 5.1.3.20324 | cpe:2.3:a:trianglemicroworks:scada_data_gateway:5.1.3.20324:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.trianglemicroworks.com/products/scada-data-gateway/what's-new | Release Notes |
| https://www.zerodayinitiative.com/advisories/ZDI-23-1032/ | Third Party Advisory |