CVE-2023-21425

Local information disclosure through improper telecom access control

Published Feb 9, 2023 · Updated Mar 24, 2025

Improper access control in Samsung Mobile Devices Q(10) through T(13) allows local users to read sensitive telecom information. Samsung identifies only the telecom application and says its access-control logic fails; the affected interface and data flow remain undisclosed. A local foothold is required, and the reported consequence is information disclosure without data modification or service interruption.

CVSS severity4.3
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 Q(10) through T(13) allows local users to read sensitive telecom information. Samsung identifies only the telecom application and says its access-control logic fails; the affected interface and data flow remain undisclosed. A local foothold is required, and the reported consequence is information disclosure without data modification or service interruption.

The record

CVE
CVE-2023-21425
Published
Feb 9, 2023
Updated
Mar 24, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-287, T1005
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=Q(10), R(11), S(12), T(13) <SMR Jan-2023 Release 1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=Q(10), R(11), S(12), T(13) <SMR Jan-2023 Release 1

Published CVSS scores

4.3Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
5.5NVDCVSS: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-287Improper Authentication
T1005Data 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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