VULNERABILITY INTELLIGENCE

CVE-2021-31787

CVSS score6.5 MEDIUM
EPSS probability0.51%
CISA KEVNot currently listed
Published2021-11-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

The Bluetooth Classic implementation on Actions ATS2815 chipsets does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and shutdown of a device by flooding the target device with LMP_features_res packets.

Weakness classification

  • nvd@nist.gov: CWE-770

Primary references