CVE-2023-21453

Protected-data disclosure via improper SoftSim input validation

Published Mar 16, 2023 · Updated Feb 26, 2025

Improper input validation in SoftSim TA on selected Samsung Android 13 devices allows local users to access protected data. Samsung states only that SoftSim TA fails to validate input properly and has not identified the input, entry point, or validation error. Exploitation requires local access and high privileges according to Samsung's assessment; the disclosed consequence is limited to reading protected data.

CVSS severity6.0
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in SoftSim TA on selected Samsung Android 13 devices allows local users to access protected data. Samsung states only that SoftSim TA fails to validate input properly and has not identified the input, entry point, or validation error. Exploitation requires local access and high privileges according to Samsung's assessment; the disclosed consequence is limited to reading protected data.

The record

CVE
CVE-2023-21453
Published
Mar 16, 2023
Updated
Feb 26, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-20, T1005
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Mar 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 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=Selected Android 13 devices <SMR Mar-2023 Release 1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=Selected Android 13 devices <SMR Mar-2023 Release 1

Published CVSS scores

6.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/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.

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
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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