CVE-2023-39463

7.2 highEPSS 1.2%

High (7.2) in trianglemicroworks scada data gateway. EPSS 1.2% chance of exploitation in the next 30 days.

Triangle MicroWorks SCADA Data Gateway Trusted Certification Unrestricted Upload of File Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary 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 trusted certification feature. The issue lies in the handling of the OpcUaSecurityCertificateAuthorityTrustDir variable, which allows an arbitrary file write with attacker-controlled data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-20537.

Severity

CVSS 3.0

7.2 high

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2024-05-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trianglemicroworks:scada_data_gateway

References

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