What is CVE-2020-11539?

CVE-2020-11539 is a high-severity vulnerability in Titan Sf Rush Smart Band, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2020-04-22.

How severe is CVE-2020-11539?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2020-11539 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Titan Sf Rush Smart Band

CVE-2020-11539

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.

Vulnerability class: Broken Authentication

EPSS: 0.010 (60.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Titan Sf_rush_smart_band
Titan Sf_rush_smart_band_firmware — versions 1.12
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-11539?: CVE-2020-11539 is a high-severity vulnerability in Titan Sf Rush Smart Band, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2020-04-22.
How severe is CVE-2020-11539?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-11539 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.