Is CVE-2018-20100 actively exploited?

No active exploitation of CVE-2018-20100 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-20100 be exploited remotely?

Yes. CVE-2018-20100 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-20100?

CVE-2018-20100 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-20100

CRITICAL

CVE-2018-20100

CWE-311Published: January 2, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2018-20100 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.