VULNERABILITY INTELLIGENCE
CVE-2020-36884
EPSS probability1.12%
CISA KEVNot currently listed
Published2025-12-10
Last modified2026-06-17
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.
Weakness classification
- disclosure@vulncheck.com: CWE-918