{"cve":"CVE-2021-3658","nvd":{"published":"2022-03-02T23:15:08.787","modified":"2026-06-17T04:05:31.110","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-863"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1984728","https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=b497b5942a8beb8f89ca1c359c54ad67ec843055","https://github.com/bluez/bluez/commit/b497b5942a8beb8f89ca1c359c54ad67ec843055","https://gitlab.gnome.org/GNOME/gnome-bluetooth/-/issues/89","https://security.netapp.com/advisory/ntap-20220407-0002/"],"products":["bluez:bluez","fedoraproject:fedora"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-3658","score":0.00789,"percentile":0.56237,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}