Is CVE-2017-20238 actively exploited?

No active exploitation of CVE-2017-20238 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-20238 be exploited remotely?

Yes. CVE-2017-20238 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-20238?

CVE-2017-20238 has a CVSS score of 7.1 (HIGH).

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HIGH

CVE-2017-20238

CWE-285Published: April 3, 2026· Updated: Apr 7, 2026

7.1

CVSS v3.1

EPSS:0.00%probability of exploitation in 30 daysPercentile:0.2th

Official 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.

NVD Source

Technical Analysis

CVE-2017-20238 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.1.