How severe is CVE-2020-12321?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-12321 known to be exploited?

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

Vulnerability in Intel Dual Band Wireless-Ac 3165

CVE-2020-12321

Improper buffer restriction in some Intel(R) Wireless Bluetooth(R) products before version 21.110 may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

Published 2020-11-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00403 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12321?: CVE-2020-12321 is a high-severity vulnerability in Intel Dual Band Wireless-Ac 3165. CVSS score: 8.8/10. Published 2020-11-12.
How severe is CVE-2020-12321?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-12321 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.