Executive Summary

Informations
Name CVE-2021-31787 First vendor Publication 2021-11-30
Vendor Cve Last vendor Modification 2021-12-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Adjacent Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:A/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 6.1 Attack Range Adjacent network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 6.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31787

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-770 Allocation of Resources Without Limits or Throttling

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 1
Os 1
Os 1
Os 1

Sources (Detail)

Source Url
MISC 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

Alert History

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0
1
Date Informations
2021-12-03 17:23:00
  • Multiple Updates
2021-12-01 00:23:00
  • First insertion