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CVE-2017-20238

7.1 · HIGH

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…

Published Apr 3, 2026CWE-285EPSS 0.24%

Overview

CVE-2017-20238 is a high-severity vulnerability. It was published on April 3, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refassets.belden.com/m/7cc5d59343125b25/original/Security-Bulletin-Restricted-User-Roles-Write-Access-HiVision-2017-01.pdfRefwww.vulncheck.com/advisories/hirschmann-industrial-hivision-improper-authorization-privilege-escalation

How CyberStrike helps

Frequently asked questions

What is CVE-2017-20238?

CVE-2017-20238 is a high-severity vulnerability. It was published on April 3, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2017-20238?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-20238?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-20238?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-20238 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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