CVE-2023-39458

Name: CVE-2023-39458
Creator: NVD / NIST
Published: 2024-05-03T03:15:10.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.25%

Last modified Jun 17, 2026

CVE-2023-39458 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.25%

15.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Trianglemicroworks	Scada Data Gateway	5.1.3.20324

References

https://www.trianglemicroworks.com/products/scada-data-gateway/what's-newRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-1026/Third Party Advisory
https://www.trianglemicroworks.com/products/scada-data-gateway/what's-newRelease Notes
https://www.zerodayinitiative.com/advisories/ZDI-23-1026/Third Party Advisory

Timeline

Published: May 3, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-39458?

How severe is CVE-2023-39458?

Severity scoring for CVE-2023-39458 is pending analysis. The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2023-39458?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39458?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST