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.
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Fixes

Solution

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Workaround

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History

Thu, 11 Dec 2025 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Brightsign
Brightsign digital Signage Diagnostic Web Server
Vendors & Products Brightsign
Brightsign digital Signage Diagnostic Web Server

Thu, 11 Dec 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 10 Dec 2025 21:00:00 +0000

Type Values Removed Values Added
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.
Title BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-11T18:53:57.677Z

Reserved: 2025-12-09T11:05:19.895Z

Link: CVE-2020-36884

cve-icon Vulnrichment

Updated: 2025-12-11T16:04:16.465Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-10T21:16:00.650

Modified: 2025-12-12T15:18:42.140

Link: CVE-2020-36884

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-11T21:38:04Z

Weaknesses