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CVE-2020-36884 PoC — BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-36884.yaml
Associated Vulnerability
Title: BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF (CVE-2020-36884)
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.
Description
Unauthenticated Server-Side Request Forgery (SSRF) vulnerability exists in the BrightSign digital signage media player affecting the Diagnostic Web Server (DWS). The application parses user supplied data in the 'url' GET parameter to construct a diagnostics request to the Download Speed Test service.
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