CVE-2023-21493

Protected-data disclosure via missing caller check

Published May 4, 2023 · Updated Feb 12, 2025

Improper access control in Samsung Mobile Devices before SMR May-2023 Release 1 allows local users to read protected data. SemShareFileProvider fails to perform a proper caller check before returning protected data to the requesting local application. A malicious application running on an affected device can cross the provider's intended access boundary; no network path or user interaction is reported.

CVSS severity6.8
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Samsung Mobile Devices before SMR May-2023 Release 1 allows local users to read protected data. SemShareFileProvider fails to perform a proper caller check before returning protected data to the requesting local application. A malicious application running on an affected device can cross the provider's intended access boundary; no network path or user interaction is reported.

The record

CVE
CVE-2023-21493
Published
May 4, 2023
Updated
Feb 12, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-284, T1533
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 12, 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?

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

  1. Affected versionversion=Android 11, 12, 13 <SMR May-2023 Release 1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=Android 11, 12, 13 <SMR May-2023 Release 1

Published CVSS scores

6.8Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1533Data from Local System

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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