VDB
CVE-2021-34146
CVE-2021-34146
PUBLISHED
CVSS 6.5 MEDIUM
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.
EPSS 0.58% · 45.4th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.58%
45.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | bluez-firmware | 0, 1.2-7 |
Timeline
- Sep 7, 2021 EPSS Score
- Sep 7, 2021 CVE Published
- Nov 4, 2021 EPSS Score
- Jan 1, 2022 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 27, 2022 EPSS Score
- Jun 24, 2022 EPSS Score
- Aug 22, 2022 EPSS Score
- Oct 19, 2022 EPSS Score
- Dec 16, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-34146 third-party-advisory
- https://github.com/RPi-Distro/bluez-firmware/commit/31ad68831357d2019624004f1f0846475671088f third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-34146 third-party-advisory