Vulnerability Details 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 setup process. A threat actor can exploit this vulnerability to force the device to connect to a SSID or cause a denial of service.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 59.3%
CVSS Severity
CVSS v3 Score 8.2
CVSS v2 Score 6.4
References
Products affected by CVE-2021-27954
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cpe:2.3:h:ecobee:ecobee3_lite:-
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cpe:2.3:o:ecobee:ecobee3_lite_firmware:4.5.81.200