CVE-2020-36884

Impact

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 packages

This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.

Weakness classification

References

• NVD record
• CVE.org record
• https://github.com/zeroscience
• https://www.brightsign.biz
• https://www.exploit-db.com/exploits/48843
• https://www.vulncheck.com/advisories/brightsign-digital-signage-diagnostic-web-server-unauthenticated-ssrf
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5595.php
• https://www.exploit-db.com/exploits/48843
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5595.php