CVSS 3.1
6.5 mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-31787
Medium (6.5) in actions-semi. EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
- CWE
- CWE-770
- Published
- Modified
- Record from
- the NVD, synced
Affected
- actions-semi:ats2815_firmware
- actions-semi:ats2819_firmware
- actions-semi:ats2819p_firmware
- actions-semi:ats2819s_firmware
- actions-semi:ats2819t_firmware