Answer in brief
CVE-2017-20238 records a High severity (CVSS 7.1) vulnerability in Hirschmann Industrial HiVision Improper Authorization Privilege Escalation. The current sources do not mark it as known exploited. The current feed maps Belden/Hirschmann Industrial HiVision (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Belden/Hirschmann Industrial HiVision (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Belden/Hirschmann Industrial HiVisiongeneric | >=06.0.00 <=06.0.05 || >=07.0.00 <07.0.01 | 07.0.01 |
Published upstream
Apr 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 29, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 29, 2026
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.
Quoted source text, attributed separately from HOL analysis.