CVE-2021-3658

6.5 MEDIUM
Published: March 02, 2022 Modified: November 04, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1984728
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055
Source: secalert@redhat.com
Patch Third Party Advisory
https://gitlab.gnome.org/GNOME/gnome-bluetooth/-/issues/89
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0002/
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1984728
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=b497b5942a8beb8f89ca1c359c54ad67ec843055
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://gitlab.gnome.org/GNOME/gnome-bluetooth/-/issues/89
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0002/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.1%
22th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

bluez fedoraproject