CVE-2021-3658
bluez - security update
6.5
MEDIUM
CVSS 3.1
EPSS 0.07%
Description
bluetoothd from bluez incorrectly saves adapters' Discoverable status when a device is powered down, and restores it when powered up. If a device is powered down while discoverable, it will be discoverable when powered on again. This could lead to inadvertent exposure of the bluetooth stack to physically nearby attackers.
How to fix CVE-2021-3658
To remediate CVE-2021-3658, upgrade the affected package to a fixed version below.
- —upgrade to 5.55-3.1+deb11u2 or later
- —upgrade to 5.55-3.1+deb11u2 or later
Is CVE-2021-3658 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.55-3.1+deb11u2
- from 0, < 5.55-3.1+deb11u2
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:H/I:N/A:N |