CVE-2020-36884
6.9
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
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| BrightSign, LLC | BrightSign Digital Signage Diagnostic Web Server | 0 <= 8.2.26 | affected |
Weaknesses
- CWE-918: CWE-918: Server-Side Request Forgery (SSRF)
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5595.php
- https://www.exploit-db.com/exploits/48843
References
- https://www.exploit-db.com/exploits/48843
- https://www.brightsign.biz
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5595.php
- https://github.com/zeroscience
- https://www.vulncheck.com/advisories/brightsign-digital-signage-diagnostic-web-server-unauthenticated-ssrf
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