CVEvulnerability

CVE-2021-27953

7.5 HIGH Published 2021-08-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-476

Description

A NULL pointer dereference vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to cause a denial of service, forcing the device to reboot via a crafted HTTP request.

Affected configurations

• ecobee ecobee3 lite firmware 4.5.81.200

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References