Vulnerability in Ecobee Ecobee4
CVE-2018-6402
Ecobee Ecobee4 4.2.0.171 devices can be forced to deauthenticate and connect to an unencrypted Wi-Fi network with the same SSID, even if the device settings specify use of encryption such as WPA2, as long as the competing network has a stronger signal. An attacker must be able to set up a nearby SSID, similar to an "Evil Twin" attack.
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.002 (15.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ecobee Ecobee4
- Ecobee Ecobee4_firmware — versions 4.2.0.171
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-6402?
- CVE-2018-6402 is a high-severity vulnerability in Ecobee Ecobee4, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2020-04-14.
- How severe is CVE-2018-6402?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-6402 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.