What is CVE-2021-33139?

CVE-2021-33139 is a medium-severity vulnerability in Intel Ac_1550, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.7/10. Published 2022-02-09.

How severe is CVE-2021-33139?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Is CVE-2021-33139 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Intel Ac_1550

CVE-2021-33139

Improper conditions check in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.100 may allow an authenticated user to potentially enable denial of service via adjacent access.

EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

Public proof-of-concept exploits

Matheus-Garbelini/braktooth_

References

secure@intel.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-33139?: CVE-2021-33139 is a medium-severity vulnerability in Intel Ac_1550, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.7/10. Published 2022-02-09.
How severe is CVE-2021-33139?: Medium severity. CVSS v3 base score is 5.7 out of 10.
Is CVE-2021-33139 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.