#VU56319 Input validation error in Xiaomi products - CVE-2021-31785
Published: September 6, 2021 / Updated: September 6, 2021
Vulnerability identifier: #VU56319
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-31785
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
ATS2815
ATS2819
MDZ-36-DB
ATS2815
ATS2819
MDZ-36-DB
Software vendor:
Actions Technology
Xiaomi
Actions Technology
Xiaomi
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Bluetooth Classic implementation does not properly handle the reception of multiple LMP_host_connection_req. A remote attacker in radio range can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.