CVE-2021-23179

Privileged information disclosure via firmware out-of-bounds read

Published Aug 18, 2022 · Updated May 5, 2025

Out-of-bounds read in firmware for Intel Wireless Bluetooth and Killer Bluetooth products before 22.120 allows local users to disclose data. The firmware reads beyond a buffer boundary, but Intel has not disclosed the affected routine, triggering input, or exposed data. Exploitation requires privileged local access; the vendor reports confidentiality impact only, without integrity or availability effects.

CVSS severity2.3
Low
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read in firmware for Intel Wireless Bluetooth and Killer Bluetooth products before 22.120 allows local users to disclose data. The firmware reads beyond a buffer boundary, but Intel has not disclosed the affected routine, triggering input, or exposed data. Exploitation requires privileged local access; the vendor reports confidentiality impact only, without integrity or availability effects.

The record

CVE
CVE-2021-23179
Published
Aug 18, 2022
Updated
May 5, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-125, T1005
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 18, 2022CVE publishedPublication date reported by the CVE source.
  2. May 5, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.1CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
2.3IntelCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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