CVE-2017-20238

Hirschmann Industrial HiVision Improper Authorization Privilege Escalation

HIGH
7.1
CVSS Score
Published: April 3, 2026 at 10:10 PM UTC
Updated: July 21, 2026 at 07:29 AM UTC
1 product affected across 1 vendorHirschmann Industrial HiVision

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 07.006.0.00 ≤ v ≤ 06.0.056.0.00
Vendor states this is fixed in 6.0.06 (unaffected)
Vendor states this is fixed in 7.0.01 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHVulnCheck
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-285

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