CVE-2021-27952
Critical
Description
Hardcoded default root credentials exist on the ecobee3 lite 4.5.81.200 device. This allows a threat actor to gain access to the password-protected bootloader environment through the serial console.
SeverityCritical
CVSS9.8
Exploit probability—
ProductEcobee3 Lite Firmware
PublishedAug 3, 2021
First seenAug 3, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ecobee ecobee3_lite_firmware | 4.5.81.200 | — |
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