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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (62.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Titan Sf Rush Smart Band
- Titan Sf Rush Smart Band Firmware — versions 1.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- medium.com/@sayliambure/hacking-a-5-smartband-824763ab6e8f
- github.com/the-girl-who-lived/CVE-2020-11539/ (Exploit, Third Party Advisory)
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.