CVE-2021-27954

published 2021-08-03

CVE-2021-27954: A heap-based buffer overflow vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HKProcessConfig function of the HomeKit Wireless Access Control…

Priority P3 42 high 8.2 CVSS 3.1

AV N AC L PR N UI N S U C N I L A H

A heap-based buffer overflow vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HKProcessConfig function of the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to force the device to connect to a SSID or cause a denial of service.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
ecobee	ecobee3_lite_firmware	—	—

CVSS provenance

nvd v3.1 8.2 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

nvd v2.0 6.4 MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:P

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