CVE-2021-25425Network attack vector

Cache disclosure via exported component

Published Jun 11, 2021 · Updated Aug 3, 2024

Improper check in Samsung Health before 6.17 allows remote attackers to read internal cache data through an exported Android component. The exported component fails to enforce the intended access check, allowing an untrusted application to request and receive cache contents. Exploitation requires a malicious application on the Android device; exposure is limited to confidentiality of cached data, with no integrity or availability impact reported.

CVSS severity5.3
Medium
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper check in Samsung Health before 6.17 allows remote attackers to read internal cache data through an exported Android component. The exported component fails to enforce the intended access check, allowing an untrusted application to request and receive cache contents. Exploitation requires a malicious application on the Android device; exposure is limited to confidentiality of cached data, with no integrity or availability impact reported.

The record

CVE
CVE-2021-25425
Published
Jun 11, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Health
Classifications
CWE-754, CWE-703, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 11, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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 <6.17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Healthversion=unspecified <6.17

Published CVSS scores

5.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.0NVDAV:N/AC:L/Au:N/C:P/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-754Improper Check for Unusual or Exceptional Conditions
CWE-703Improper Check or Handling of Exceptional Conditions
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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