HIGH

CVE-2020-11539

CVSS v3

8.1

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-11539 yet.

Full record on NVD

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.

Technical details

Published: 2020-04-22

Frequently asked questions

What is CVE-2020-11539?

Is CVE-2020-11539 actively exploited?

Active exploitation of CVE-2020-11539 has not been confirmed. Its EPSS score was 1.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-11539?

CVE-2020-11539 has a CVSS v3 base score of 8.1 (HIGH severity).

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