CVE-2017-20237 Belden CVE debrief

Who should care

Security teams, administrators responsible for Hirschmann Industrial HiVision systems, and IT management should prioritize patching this vulnerability to prevent potential remote code execution attacks. Vulnerability management and security teams should review and implement compensating controls for exposed systems.

Technical summary

The authentication bypass vulnerability in Hirschmann Industrial HiVision's master service allows attackers to invoke exposed interface methods, bypass authentication, and achieve remote code execution. The vulnerability is critical, with a CVSS score of 9.3, and affects versions prior to 06.0.07 and 07.0.03. Affected systems are at high risk of exploitation. Security teams should note that Hirschmann Industrial HiVision systems prior to version 06.0.07 and 07.0.03 are vulnerable, and consider compensating controls for exposed systems while remediation is scheduled and verified.

Defensive priority

High

Recommended defensive actions

• Apply patches or updates to Hirschmann Industrial HiVision systems to address the authentication bypass vulnerability.
• Implement network segmentation and isolation to limit access to vulnerable systems.
• Monitor system logs for suspicious activity and implement incident response plans.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record was published on 2026-04-03T21:17:07.103Z and last modified on 2026-07-21T07:10:00.117Z. The NVD entry is currently Awaiting Analysis. The vulnerability affects Hirschmann Industrial HiVision versions prior to 06.0.07 and 07.0.03. Evidence is limited to public CVE and NVD information.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.