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MitreCVE-2021-31786

HistorySep 07, 2021 - 7:15 a.m.

CVE-2021-31786

2021-09-0707:15:07

CWE-667

mitre

web.nvd.nist.gov

cve-2021-31786

bluetooth

audio

implementation

actions ats2815

ats2819

security vulnerability

nvd

CVSS2

6.1

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:A/AC:L/Au:N/C:N/I:N/A:C

CVSS3

6.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

41.5%

JSON

The Bluetooth Classic Audio implementation on Actions ATS2815 and ATS2819 devices does not properly handle a connection attempt from a host with the same BDAddress as the current connected BT host, allowing attackers to trigger a disconnection and deadlock of the device by connecting with a forged BDAddress that matches the original connected host.

Affected configurations

Nvd

Node

actions-semiats2819pMatch-

AND

actions-semiats2819p_firmwareMatch-

Node

actions-semiats2815Match-

AND

actions-semiats2815_firmwareMatch-

Node

actions-semiats2819Match-

AND

actions-semiats2819_firmwareMatch-

Node

actions-semiats2819sMatch-

AND

actions-semiats2819s_firmwareMatch-

Node

actions-semiats2819tMatch-

AND

actions-semiats2819t_firmwareMatch-

VendorProductVersionCPE
actions-semiats2819p-cpe:2.3:h:actions-semi:ats2819p:-:*:*:*:*:*:*:*
actions-semiats2819p_firmware-cpe:2.3:o:actions-semi:ats2819p_firmware:-:*:*:*:*:*:*:*
actions-semiats2815-cpe:2.3:h:actions-semi:ats2815:-:*:*:*:*:*:*:*
actions-semiats2815_firmware-cpe:2.3:o:actions-semi:ats2815_firmware:-:*:*:*:*:*:*:*
actions-semiats2819-cpe:2.3:h:actions-semi:ats2819:-:*:*:*:*:*:*:*
actions-semiats2819_firmware-cpe:2.3:o:actions-semi:ats2819_firmware:-:*:*:*:*:*:*:*
actions-semiats2819s-cpe:2.3:h:actions-semi:ats2819s:-:*:*:*:*:*:*:*
actions-semiats2819s_firmware-cpe:2.3:o:actions-semi:ats2819s_firmware:-:*:*:*:*:*:*:*
actions-semiats2819t-cpe:2.3:h:actions-semi:ats2819t:-:*:*:*:*:*:*:*
actions-semiats2819t_firmware-cpe:2.3:o:actions-semi:ats2819t_firmware:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
actions-semi	ats2819p	-	cpe:2.3:h:actions-semi:ats2819p:-:::::::*
actions-semi	ats2819p_firmware	-	cpe:2.3:o:actions-semi:ats2819p_firmware:-:::::::*
actions-semi	ats2815	-	cpe:2.3:h:actions-semi:ats2815:-:::::::*
actions-semi	ats2815_firmware	-	cpe:2.3:o:actions-semi:ats2815_firmware:-:::::::*
actions-semi	ats2819	-	cpe:2.3:h:actions-semi:ats2819:-:::::::*
actions-semi	ats2819_firmware	-	cpe:2.3:o:actions-semi:ats2819_firmware:-:::::::*
actions-semi	ats2819s	-	cpe:2.3:h:actions-semi:ats2819s:-:::::::*
actions-semi	ats2819s_firmware	-	cpe:2.3:o:actions-semi:ats2819s_firmware:-:::::::*
actions-semi	ats2819t	-	cpe:2.3:h:actions-semi:ats2819t:-:::::::*
actions-semi	ats2819t_firmware	-	cpe:2.3:o:actions-semi:ats2819t_firmware:-:::::::*

References

dl.packetstormsecurity.net/papers/general/braktooth.pdf

launchstudio.bluetooth.com/ListingDetails/76427

www.actions-semi.com/index.php?id=3581&siteId=4

CVSS2

6.1

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:A/AC:L/Au:N/C:N/I:N/A:C

CVSS3

6.5

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

41.5%

JSON

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