CVE-2020-36884
BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF
MEDIUM 6.9EPSS 1.1%
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
- BrightSign, LLC · BrightSign Digital Signage Diagnostic Web Server
- CVSS v4.0 VULNCHECK
- 6.9 MEDIUM
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS
- 1.12% chance of exploitation in the next 30 days, 66th percentile
- Nuclei
- medium · CWE-918
- Published
- 2025-12-10
- Updated
- 2025-12-11