by Kastro
Paper/Archive/CVE-2021-27952

CVE-2021-27952

mitre — Hardcoded default root credentials exist on the ecobee3 lite 4.5.81.200 device.

EPSS 1%CVSS 9.8
critical.is priorityof 100
43
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 66.4.664 × 2013.3No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refl9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices