Critical · CVSS 9.3CVE-2020-36892

Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation

Answer in brief

CVE-2020-36892 records a Critical severity (CVSS 9.3) vulnerability in Eibiz i-Media Server Digital Signage 3.8.0 Unauthenticated Privilege Escalation. The current sources do not mark it as known exploited. The current feed maps EIBIZ Co.,Ltd./i-Media Server Digital Signage (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Dec 10, 2025Updated Oct 1, 2026Source checked Oct 1, 2026First seen by HOL Oct 1, 2026Material review Oct 1, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 9.3. 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.

Affected scope and exposure questions

The current feed maps EIBIZ Co.,Ltd./i-Media Server Digital Signage (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
EIBIZ Co.,Ltd./i-Media Server Digital Signagegeneric	>=0 <=3.8.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for EIBIZ Co.,Ltd./i-Media Server Digital Signage.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Dec 10, 2025
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 1, 2026

Sources and claim methodology

Upstream source description

Eibiz i-Media Server Digital Signage 3.8.0 contains an unauthenticated privilege escalation vulnerability in the updateUser object that allows attackers to modify user roles. Attackers can exploit the /messagebroker/amf endpoint to elevate privileges and take over user accounts by manipulating role settings without authentication.

Quoted source text, attributed separately from HOL analysis.