{"id":"CVE-2020-26556","details":"Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a successful brute-force attack on an insufficiently random AuthValue before the provisioning procedure times out, to complete authentication by leveraging Malleable Commitment.","modified":"2026-03-15T14:38:58.797202Z","published":"2021-05-24T18:15:07.873Z","references":[{"type":"ADVISORY","url":"https://kb.cert.org/vuls/id/799380"},{"type":"ADVISORY","url":"https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/"},{"type":"ADVISORY","url":"https://www.kb.cert.org/vuls/id/799380"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"1.0b"},{"last_affected":"5.2"}]},{"events":[{"introduced":"0"},{"last_affected":"1.0.0"}]},{"events":[{"introduced":"0"},{"last_affected":"1.0.1"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26556.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}