CVE-2018-4015: Webroot Brightcloud

High severity, CVSS 8.1. EPSS: 0.7% chance of exploitation in the next 30 days.

An exploitable vulnerability exists in the HTTP client functionality of the Webroot BrightCloud SDK. The configuration of the HTTP client does not enforce a secure connection by default, resulting in a failure to validate TLS certificates. An attacker could impersonate a remote BrightCloud server to exploit this vulnerability.

Affected products

• Webroot Brightcloud: affected versions not specified

Published 2018-12-18. Last modified 2026-06-17.