CVE-2021-28155 — MEDIUM (6.5)

Vulnerability Description

The Bluetooth Classic implementation on JBL TUNE500BT devices does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and shutdown a device by flooding the target device with LMP Feature Response data.

CVSS Score

6.5

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Jbl	Tune500Bt Firmware	-
Jbl	Tune500Bt	-

References

https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical DescriptionThird Party Advisory
https://www.jbl.com.sg/over-ear-headphones/JBL+TUNE500BT.htmlProductVendor Advisory
https://dl.packetstormsecurity.net/papers/general/braktooth.pdfTechnical DescriptionThird Party Advisory
https://www.jbl.com.sg/over-ear-headphones/JBL+TUNE500BT.htmlProductVendor Advisory

FAQ

What is CVE-2021-28155?

CVE-2021-28155 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The Bluetooth Classic implementation on JBL TUNE500BT devices does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of s...

How severe is CVE-2021-28155?

CVE-2021-28155 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28155?

Check the references section above for vendor advisories and patch information. Affected products include: Jbl Tune500Bt Firmware, Jbl Tune500Bt.