CVE-2020-36884

BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF

MEDIUM
6.9
CVSS Score
Published: December 10, 2025 at 08:47 PM UTC
Updated: June 17, 2026 at 03:16 AM UTC
1 product affected across 1 vendorDigital Signage Diagnostic Web Server

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Severity
MEDIUM6.9
Exploit prediction
EPSS 1%
SSVC
PoC

Description

BrightSign Digital Signage Diagnostic Web Server 8.2.26 and less contains an unauthenticated server-side request forgery vulnerability in the 'url' GET parameter of the Download Speed Test service. Attackers can specify external domains to bypass firewalls and perform network enumeration by forcing the application to make arbitrary HTTP requests to internal network hosts.

Affected

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

6.9MEDIUMVulnCheck
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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