{"id":"CVE-2020-36884","aliases":["EUVD-2020-30845","GHSA-86rv-3v3v-xmw6"],"status":"published","title":"BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF","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.","severity":{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01199,"percentile":0.6841,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2025-12-10T20:47:43Z","modified":"2026-06-17T03:16:24Z","exploits":[{"source":"nuclei","id":"CVE-2020-36884","title":"BrightSign Digital Signage 8.2.26 - Server-Side Request Forgery","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-36884.yaml"}],"products":[{"vendor":"brightsign, llc","product":"brightsign digital signage diagnostic web server"}],"references":[{"url":"https://www.exploit-db.com/exploits/48843","tags":["exploit"]},{"url":"https://www.brightsign.biz","tags":["product"]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5595.php","tags":["third-party-advisory","exploit"]},{"url":"https://github.com/zeroscience","tags":["issue-tracking"]},{"url":"https://www.vulncheck.com/advisories/brightsign-digital-signage-diagnostic-web-server-unauthenticated-ssrf","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36884"},{"url":"https://github.com/advisories/GHSA-86rv-3v3v-xmw6"}],"sources":{"cve":[{"id":"CVE-2020-36884","title":"BrightSign Digital Signage Diagnostic Web Server 8.2.26 Unauthenticated SSRF","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.","status":"published","published":"2025-12-10T20:47:43.331Z","modified":"2025-12-11T18:53:57.677Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-30845","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.","status":"published","published":"2025-12-10T20:47:43Z","modified":"2025-12-11T18:53:57Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"updated_at":"2026-11-02T19:49:06.661228Z"}],"ghsa":[{"id":"GHSA-86rv-3v3v-xmw6","title":"BrightSign Digital Signage Diagnostic Web Server 8.2.26 and less contains an unauthenticated...","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.","status":"published","published":"2025-12-10T21:31:37Z","modified":"2025-12-10T21:31:48Z","cvss":[{"version":"4.0","score":6.9,"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/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","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:05:08.652625Z"}],"nvd":[{"id":"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.","status":"published","published":"2025-12-10T21:16:00.65Z","modified":"2026-06-17T03:16:24.943Z","cvss":[{"version":"4.0","score":6.9,"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/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:06:48.591569Z"}]}}