Is CVE-2017-20237 actively exploited?

No active exploitation of CVE-2017-20237 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-20237 be exploited remotely?

Yes. CVE-2017-20237 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-20237?

CVE-2017-20237 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2017-20237

CWE-287Published: April 3, 2026· Updated: Apr 7, 2026

9.8

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:10.3th

Official 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.

NVD Source

Technical Analysis

CVE-2017-20237 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.