CVE-2021-31787

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
VendorProductVersion
actions-semiats2819p_firmware
-
actions-semiats2815_firmware
-
actions-semiats2819_firmware
-
actions-semiats2819s_firmware
-
actions-semiats2819t_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
https://launchstudio.bluetooth.com/ListingDetails/76427
https://www.actions-semi.com/index.php?id=3581&siteId=4
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
https://launchstudio.bluetooth.com/ListingDetails/76427
https://www.actions-semi.com/index.php?id=3581&siteId=4