CVE-2021-34146
6.5
MEDIUM
CVSS 3.1
EPSS 0.58%
Description
The Bluetooth Classic implementation in the Cypress CYW920735Q60EVB does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and restart (crash) of the device by flooding it with LMP_AU_Rand packets after the paging procedure.
How to fix CVE-2021-34146
To remediate CVE-2021-34146, upgrade the affected package to a fixed version below.
- Debian/bluez-firmware—upgrade to 1.2-8 or later
Is CVE-2021-34146 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.2-8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |