CVE-2017-20238
HIGH EPSS 14.5%
Published Apr 3, 20262mo ago · Modified Jun 17, 20261w ago
7.1 CVSS 4.0
Published Apr 3, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
14.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-285
References 2
- assets.belden.com https://assets.belden.com/m/7cc5d59343125b25/original/Security-Bulletin-Restricted-User-Roles-Write-Access-HiVision-2017-01.pdf
- vulncheck.com https://www.vulncheck.com/advisories/hirschmann-industrial-hivision-improper-authorization-privilege-escalation
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.