CVEvulnerability

CVE-2021-31615

5.3 MEDIUM Published 2021-06-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
2.9 LOW — AV:A/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-362

Description

Unencrypted Bluetooth Low Energy baseband links in Bluetooth Core Specifications 4.0 through 5.2 may permit an adjacent device to inject a crafted packet during the receive window of the listening device before the transmitting device initiates its packet transmission to achieve full MITM status without terminating the link. When applied against devices establishing or using encrypted links, crafted packets may be used to terminate an existing link, but will not compromise the confidentiality or integrity of the link.

Affected configurations

• bluetooth bluetooth core specification (>= 4.0 <= 5.2)

Related

Weakness · CWE (1)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness

References