cbcvebase.
CVE-2021-27952
published 2021-08-03

CVE-2021-27952: 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…

PriorityP260critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.13%
62.3th percentile
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.

Affected

1 ranges
VendorProductVersion rangeFixed in
ecobeeecobee3_lite_firmware

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.