CVE-2021-25447

Local file inclusion via improper WebView access control

Published Aug 5, 2021 · Updated Aug 3, 2024

Improper access control in the Samsung SmartThings WebView before 1.7.67.25 allows local users to include device-local files. The WebView accepts content requests from untrusted applications without adequate access control, enabling local-file inclusion and arbitrary webpage loading. Exploitation requires an untrusted application on the same Android device; the disclosed consequence is limited to content loaded in the WebView.

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 access control in the Samsung SmartThings WebView before 1.7.67.25 allows local users to include device-local files. The WebView accepts content requests from untrusted applications without adequate access control, enabling local-file inclusion and arbitrary webpage loading. Exploitation requires an untrusted application on the same Android device; the disclosed consequence is limited to content loaded in the WebView.

The record

CVE
CVE-2021-25447
Published
Aug 5, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
SmartThings
Classifications
CWE-284
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 5, 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=- <1.7.67.25

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · SmartThingsversion=- <1.7.67.25

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:N/I:P/A:N
5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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-284Improper Access Control

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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