570
VMScore

CVE-2021-27954

Published: 03/08/2021 Updated: 11/08/2021
CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10
CVSS v3 Base Score: 8.2 | Impact Score: 4.2 | Exploitability Score: 3.9
VMScore: 570
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P

Vulnerability Summary

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.

Vulnerability Trend

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ecobee ecobee3_lite_firmware 4.5.81.200