CVE-2023-21379

Local information disclosure via missing Bluetooth bounds check

Published Oct 30, 2023 · Updated Aug 2, 2024

Out-of-bounds read in Google Android 14 Bluetooth allows local users to disclose Bluetooth server memory without user interaction. Google has not identified the affected Bluetooth function; it states that a missing bounds check permits an out-of-bounds read. Reaching the flaw requires System execution privileges; the reported consequence is confidentiality-only memory disclosure, with no integrity or availability impact.

CVSS severity4.4
Medium
EPSS probability0.09%
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 Google Android 14 Bluetooth allows local users to disclose Bluetooth server memory without user interaction. Google has not identified the affected Bluetooth function; it states that a missing bounds check permits an out-of-bounds read. Reaching the flaw requires System execution privileges; the reported consequence is confidentiality-only memory disclosure, with no integrity or availability impact.

The record

CVE
CVE-2023-21379
Published
Oct 30, 2023
Updated
Aug 2, 2024
Vendor
Google
Product
Android
Classifications
CWE-125
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Oct 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=14

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Google · Androidversion=14

Published CVSS scores

4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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