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CVE-2017-20238

Hirschmann Industrial HiVision Improper Authorization Privilege Escalation

Published: Apr 3, 2026Updated: Apr 7, 2026 Sources: CVE List NVDCWE-285
NVD MITRE
7.1CVSSHIGH
EPSS Score
0.2%
Top 85.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-285

Affected Products

Hirschmann Industrial HiVisionBeldenNetworking Infrastructure
beldencommercialUSNetworking Infrastructureaka belden hirschmann, tofino security appliance

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

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

Timeline

Published
Apr 3, 2026
Last Updated
Apr 7, 2026

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