CVE-2021-27954

Katalog CVE

CVSS 8.2 · High EPSS 0,94%

Kerentanan Out-of-bounds Write pada ecobee3 lite firmware. Skor CVSS 3.1 8.2 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

3 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.2 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,94% peluang dieksploitasi; lebih tinggi dari 59,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.l9group.com/advisories/ecobee3-lite-heap-overflow exploit · advisory pihak ketiga