CVE-2021-25382

Protected-content access via improperly authorized debug command

Published Apr 23, 2021 · Updated Aug 3, 2024

Improper authorization in Samsung Mobile Devices before SMR Oct-2020 Release 1 allows attackers to access protected Secure Folder contents. Secure Folder applies inadequate authorization when processing a debugging command, exposing protected contents. Physical access, high privileges, and user interaction are required; Samsung has not disclosed the exact content operations available.

CVSS severity6.1
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 authorization in Samsung Mobile Devices before SMR Oct-2020 Release 1 allows attackers to access protected Secure Folder contents. Secure Folder applies inadequate authorization when processing a debugging command, exposing protected contents. Physical access, high privileges, and user interaction are required; Samsung has not disclosed the exact content operations available.

The record

CVE
CVE-2021-25382
Published
Apr 23, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-285, T1533
Attack vector
physical
Privileges
admin

Timeline

How it unfolded

  1. Apr 23, 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=O(8.x), P(9.0), Q(10.0), R(11.0) <SMR Oct-2020 Release 1

What conditions does exploitation require?

Attack vectorphysical
Required privilegesadmin

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=O(8.x), P(9.0), Q(10.0), R(11.0) <SMR Oct-2020 Release 1

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
3.6NIST NVDAV:L/AC:L/Au:N/C:P/I:P/A:N
6.1Samsung MobileCVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

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)
Vectorphysical
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization
T1533Data 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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