Vulnerability in Jbl Tune500bt

CVE-2021-28155

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.

EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

  • cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
  • cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28155?
CVE-2021-28155 is a medium-severity vulnerability in Jbl Tune500bt. CVSS score: 6.5/10. Published 2021-09-07.
How severe is CVE-2021-28155?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-28155 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.