Vulnerability · Published Nov 30, 2021 · Assigned by mitre
CVE-2021-31787
Medium 6.5
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.5%top 56.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://www.actions-semi.com/index.php?id=3581&siteId=4 x_refsource_MISC
- https://launchstudio.bluetooth.com/ListingDetails/76427 x_refsource_MISC
- https://dl.packetstormsecurity.net/papers/general/braktooth.pdf x_refsource_MISC