CVE-2023-21462

MAC-address disclosure to local attackers

Published Mar 16, 2023 · Updated Aug 2, 2024

Sensitive information exposure in Quick Share Agent on Android 12 and 13 allows local users to read a device MAC address without permission. Samsung has not published the affected code locus or the operation that exposes the address, stating only that the application returns it without the related permission. Affected builds are before 3.5.14.18 on Android 12 and before 3.5.16.20 on Android 13; Samsung's assessment requires local access, high privileges, and user interaction.

CVSS severity4.2
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information exposure in Quick Share Agent on Android 12 and 13 allows local users to read a device MAC address without permission. Samsung has not published the affected code locus or the operation that exposes the address, stating only that the application returns it without the related permission. Affected builds are before 3.5.14.18 on Android 12 and before 3.5.16.20 on Android 13; Samsung's assessment requires local access, high privileges, and user interaction.

The record

CVE
CVE-2023-21462
Published
Mar 16, 2023
Updated
Aug 2, 2024
Vendor
Samsung Electronics
Product
Quick Share Agent
Classifications
CWE-215, T1422
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Mar 16, 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=unspecified <3.5.14.18 in Android 12 and 3.5.16.20 in Android 13

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Samsung Electronics · Quick Share Agentversion=unspecified <3.5.14.18 in Android 12 and 3.5.16.20 in Android 13

Published CVSS scores

4.2Samsung MobileCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-215Insertion of Sensitive Information Into Debugging Code
T1422System Network Configuration Discovery

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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