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 pai

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.

Published 2020-04-22 14:15:12

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-11539

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 37 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-11539

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.8	MEDIUM	AV:A/AC:L/Au:N/C:P/I:P/A:N	6.5	4.9	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
8.1	HIGH	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	2.8	5.2	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: None

CWE ids for CVE-2020-11539

CWE-306 Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Assigned by: nvd@nist.gov (Primary)

CWE-319 Cleartext Transmission of Sensitive Information

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Assigned by: nvd@nist.gov (Primary)

CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-11539

Products affected by CVE-2020-11539

Titan » Sf Rush Smart Band Firmware » Version: 1.12
cpe:2.3:o:titan:sf_rush_smart_band_firmware:1.12:*:*:*:*:*:*:*
Matching versions
When used together with: Titan » Sf Rush Smart Band » Version: N/A

Vulnerability Details : CVE-2020-11539

Exploit prediction scoring system (EPSS) score for CVE-2020-11539

CVSS scores for CVE-2020-11539

CWE ids for CVE-2020-11539

References for CVE-2020-11539

Products affected by CVE-2020-11539