CVE-2023-21441

Protected-file disclosure through undisclosed unused code

Published Feb 9, 2023 · Updated Mar 24, 2025

Insufficient data-authenticity verification in Samsung Routines on Android 10 through 12 allows local users to read protected files. Samsung identifies the vulnerable locus only as unused code and has not disclosed what data is accepted or how that code reaches protected files. Exploitation requires local access, and the published impact is limited to protected-file access.

CVSS severity7.4
High
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient data-authenticity verification in Samsung Routines on Android 10 through 12 allows local users to read protected files. Samsung identifies the vulnerable locus only as unused code and has not disclosed what data is accepted or how that code reaches protected files. Exploitation requires local access, and the published impact is limited to protected-file access.

The record

CVE
CVE-2023-21441
Published
Feb 9, 2023
Updated
Mar 24, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Routines
Classifications
CWE-345, T1409
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 24, 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=unspecified <2.6.30.6 in Android Q(10), 3.1.21.10 in Android R(11) and 3.5.2.23 in Android S(12)

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Routinesversion=unspecified <2.6.30.6 in Android Q(10), 3.1.21.10 in Android R(11) and 3.5.2.23 in Android S(12)

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.4Samsung MobileCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-345Insufficient Verification of Data Authenticity
T1409Access Stored Application Data

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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