CVE-2018-20100: August Connect

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered on August Connect devices. Insecure data transfer between the August app and August Connect during configuration allows attackers to discover home Wi-Fi credentials. This data transfer uses an unencrypted access point for these credentials, and passes them in an HTTP POST, using the AugustWifiDevice class, with data encrypted with a fixed key found obfuscated in the app.

Affected products

• August August Connect: affected versions not specified
• August August Connect Firmware: affected versions not specified

Published 2019-01-02. Last modified 2026-06-17.