Security Advisory
CVE-2020-36884
N/A
UNKNOWN
Vulnerability 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.
Published Date
December 10, 2025
Official Source
NIST NVD Advisory