Threat Investigation
Request a demo

CVE-2021-3658

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductBluez
PublishedMar 2, 2022
First seenMar 2, 2022
Weakness typeCWE-863Incorrect authorization

How to fix

Update
  • bluez bluez5.61 or later

Affected products

ProductAffected versionsFixed in
bluez bluezv < 5.615.61
fedoraproject fedora34—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.