CVEvulnerability

CVE-2018-6402

7.5 HIGH Published 2020-04-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-04-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
2.9 LOW — AV:A/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-327

Description

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.

Affected configurations

• ecobee ecobee4 firmware 4.2.0.171

Related

Weakness · CWE (1)

  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm weakness

References