CVE-2019-6744

Secure Folder disclosure via lock-screen authentication bypass

Published Feb 10, 2020 · Updated Aug 4, 2024

Improper access control in Samsung Knox 1.2.02.39 on Galaxy S9 build G9600ZHS3ARL1 allows physically proximate attackers to read Secure Folder data. The Secure Folder lock screen fails to validate that the person opening the container has correctly authenticated before exposing its contents. Physical possession of the affected Galaxy S9 is required, and the reported consequence is limited to disclosure of container contents.

CVSS severity4.3
Medium
EPSS probability0.36%
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 Knox 1.2.02.39 on Galaxy S9 build G9600ZHS3ARL1 allows physically proximate attackers to read Secure Folder data. The Secure Folder lock screen fails to validate that the person opening the container has correctly authenticated before exposing its contents. Physical possession of the affected Galaxy S9 is required, and the reported consequence is limited to disclosure of container contents.

The record

CVE
CVE-2019-6744
Published
Feb 10, 2020
Updated
Aug 4, 2024
Vendor
Samsung Electronics
Product
Samsung Knox
Classifications
CWE-284, T1533
Attack vector
physical
Privileges
Unavailable

Timeline

How it unfolded

  1. Feb 10, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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=1.2.02.39 on Samsung Galaxy S9 build G9600ZHS3ARL1

What conditions does exploitation require?

Attack vectorphysical
Required privilegesUnavailable in this record.

What is affected?

Samsung Electronics · Samsung Knoxversion=1.2.02.39 on Samsung Galaxy S9 build G9600ZHS3ARL1

Published CVSS scores

4.3Zero Day InitiativeCVSS:3.0/AV:P/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.

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
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
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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