CVE-2025-21080

Local file access via improperly exported components

Published Dec 2, 2025 · Updated Dec 2, 2025

Improper component export in Dynamic Lockscreen on Samsung Mobile Devices before SMR Dec-2025 Release 1 allows local users to access files. Dynamic Lockscreen exposes Android application components without proper access control, allowing other local applications to use its file privileges. The flaw affects Android 15 and 16; Samsung has not identified the exported component or bounded the accessible files.

CVSS severity6.2
Medium
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

Improper component export in Dynamic Lockscreen on Samsung Mobile Devices before SMR Dec-2025 Release 1 allows local users to access files. Dynamic Lockscreen exposes Android application components without proper access control, allowing other local applications to use its file privileges. The flaw affects Android 15 and 16; Samsung has not identified the exported component or bounded the accessible files.

The record

CVE
CVE-2025-21080
Published
Dec 2, 2025
Updated
Dec 2, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-926, T1409
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 2, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 2, 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?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile DevicesAffected versions are unavailable in this record.

Published CVSS scores

7.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
6.2Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/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-926Improper Export of Android Application Components
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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