What’s Vulnerable › Vulnerabilities

CVE-2023-39458: Triangle MicroWorks SCADA Data Gateway Use of Hard-coded Credentials Authentication Bypass Vulnerability

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-798

Description

Triangle MicroWorks SCADA Data Gateway Use of Hard-coded Credentials Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Triangle MicroWorks SCADA Data Gateway. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. The service uses a hard-coded default SSL certificate. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20509.

Affected products

• Triangle MicroWorks SCADA Data Gateway: 5.1.3.20324

References

• https://www.trianglemicroworks.com/products/scada-data-gateway/what's-new
• https://www.zerodayinitiative.com/advisories/ZDI-23-1026/
• https://www.trianglemicroworks.com/products/scada-data-gateway/what's-new
• https://www.zerodayinitiative.com/advisories/ZDI-23-1026/

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