CVE Vulnerability

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 environment through the serial console.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.l9group.com/advisories/hard-coded-default-root-credentials-for-all-ecobee3-lite-devices Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-08-03 03:15

Updated : 2021-08-12 02:56

NVD link : CVE-2021-27952

Mitre link : CVE-2021-27952

Products Affected
No products.
CWE
CWE-798