VDB
CVE-2021-34145
CVE-2021-34145
PUBLISHED
CVSS 5.300000190734863 MEDIUM
The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with an invalid Baseband packet type (and LT_ADDRESS and LT_ADDR) after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.
EPSS 0.51% · 41.6th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.51%
41.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | bluez-firmware | 1.2-7, 0 |
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 15, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-34145 third-party-advisory
- https://github.com/RPi-Distro/bluez-firmware/commit/31ad68831357d2019624004f1f0846475671088f third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-34145 third-party-advisory