{"id":"CVE-2018-20100","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-20100","generatedAt":"2026-10-28T23:37:54.599Z","title":"Insecure data transfer between the August app and August Connect during configuration allows attackers to discover home Wi-Fi credentials.","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.","published":"2019-01-02T18:29:01.000Z","lastModified":"2026-06-17T01:52:17.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-311"],"affected":["august/august connect","august/august connect firmware"],"epss":{"score":0.0071,"percentile":0.53337,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://dojo.bullguard.com/dojo-by-bullguard/blog/august-connect/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://dojo.bullguard.com/dojo-by-bullguard/blog/august-connect/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-20100","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}