CVE-2023-21449

Local information disclosure via missing Call permission

Published Mar 16, 2023 · Updated Feb 26, 2025

Improper access control in Samsung Mobile Devices' Call application allows local attackers to read sensitive information. The Call application fails to enforce a required permission before exposing the data; Samsung has not disclosed the affected interface or data type. The issue is reachable locally without prior privileges on select Android 11 and 12 devices before SMR Mar-2023 Release 1, and the reported impact is limited to information disclosure.

CVSS severity5.5
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 access control in Samsung Mobile Devices' Call application allows local attackers to read sensitive information. The Call application fails to enforce a required permission before exposing the data; Samsung has not disclosed the affected interface or data type. The issue is reachable locally without prior privileges on select Android 11 and 12 devices before SMR Mar-2023 Release 1, and the reported impact is limited to information disclosure.

The record

CVE
CVE-2023-21449
Published
Mar 16, 2023
Updated
Feb 26, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-200, T1005
Attack vector
local
Privileges
unauthenticated

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=Select Android 11, 12 devices <SMR Mar-2023 Release 1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=Select Android 11, 12 devices <SMR Mar-2023 Release 1

Published CVSS scores

4.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/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.

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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-200Exposure of Sensitive Information to an Unauthorized Actor
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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