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CVE-2020-11539

HIGH
8.1
CVSS Score
Published: April 22, 2020 at 01:27 PM UTC
Updated: June 17, 2026 at 02:50 AM UTC
2 products affected across 1 vendorSf Rush Smart Band FirmwareSf Rush Smart Band

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Severity
HIGH8.1
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sf Rush Smart Band Firmware· Titan
95%
1.12
titan-sf-rush-smart-band (same device)
Sf Rush Smart Band· Titandevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/the-girl-who-lived/CVE-2020-11539/
x_refsource_MISC
Source: [email protected]
https://medium.com/%40sayliambure/hacking-a-5-smartband-824763ab6e8f

CVSS

8.1HIGH[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306CWE-319CWE-347

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