CVE-2020-36884CWE-918

BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF

Medium · published December 10, 2025

CVSS v4.0
6.9
EPSS
1%
Percentile
65.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.01119 · 65.9th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2025-12-10T20:47Z
EPSS history
Timeline
  • 10 DEC 20:47Z
    BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF
    cvelistv5