Triangle MicroWorks SCADA Data Gateway Use of Hard-coded Cryptograhic Key Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Triangle MicroWorks SCADA Data Gateway. Authentication is not required to exploit this vulnerability. The specific flaw exists within the TmwCrypto class. The issue results from the usage of a hard-coded cryptograhic key and the usage of a hard-coded certificate. An attacker can leverage this vulnerability to disclose sensitive information. Was ZDI-CAN-20615.
Conclusion & alert: CVE-2023-39465 is rated Moderate Risk (47.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.71%). 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 | 0.11% | 0.71% | +0.60% |
| 2 | 2025-04-15 | 0.17% | 0.11% | -0.06% |
| 3 | 2025-03-30 | — | 0.17% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [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-23-1033/ | Third Party Advisory |