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HIGH · 7.5

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 ...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
EcobeeEcobee4 Firmware4.2.0.171
EcobeeEcobee4-

Related Weaknesses (CWE)

CWE-327

References

FAQ

What is CVE-2018-6402?

CVE-2018-6402 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2018-6402?

CVE-2018-6402 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-6402?

Check the references section above for vendor advisories and patch information. Affected products include: Ecobee Ecobee4 Firmware, Ecobee Ecobee4.