---
id: CVE-2017-20238
title: >-
  Hirschmann Industrial HiVision versions 06.0.00 and 07.0.00 prior to 06.0.06
  and 07.0.01 contains an improper authorization vulnerability that allows
  read-only users to gain write access to managed devices by bypassing access
  control mec…
summary: >-
  Hirschmann Industrial HiVision versions 06.0.00 and 07.0.00 prior to 06.0.06
  and 07.0.01 contains an improper authorization vulnerability that allows
  read-only users to gain write access to managed devices by bypassing access
  control mec…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N'
cwe:
  - CWE-285
published: '2026-04-03'
updated: '2026-07-21'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2017-20238'
references:
  - url: >-
      https://assets.belden.com/m/7cc5d59343125b25/original/Security-Bulletin-Restricted-User-Roles-Write-Access-HiVision-2017-01.pdf
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/hirschmann-industrial-hivision-improper-authorization-privilege-escalation
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00237
epssPercentile: 0.14941
ingestedAt: '2026-07-21T16:51:40.852Z'
---

## Overview

Hirschmann Industrial HiVision versions 06.0.00 and 07.0.00 prior to 06.0.06 and 07.0.01 contains an improper authorization vulnerability that allows read-only users to gain write access to managed devices by bypassing access control mechanisms. Attackers can exploit alternative interfaces such as the web interface or SNMP browser to modify device configurations despite having restricted permissions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.