CVE-2020-11539 Information

Description

An issue was discovered on Tata Sonata Smart SF Rush 1.12 devices. It has been identified that the smart band has no pairing (mode 0 Bluetooth LE security level) The data being transmitted over the air is not encrypted. Adding to this the data being sent to the smart band doesn’t have any authentication or signature verification. Thus any attacker can control a parameter of the device.

CVSS Vector

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

Reference

https://github.com/the-girl-who-lived/CVE-2020-11539/ https://medium.com/@sayliambure/hacking-a-5-smartband-824763ab6e8f

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

8.1