CVE-2024-20839

Physical recording disclosure via lock-screen access

Published Mar 5, 2024 · Updated Aug 1, 2024

Improper access control in Samsung Voice Recorder before its Android-specific fixed releases allows physically proximate attackers to read recordings. Samsung has not published the affected component or the operation that fails to enforce access control when recording files are opened from the lock screen. Exploitation requires physical access to a locked device, and the reported consequence is limited to disclosure of stored recordings.

CVSS severity4.6
Medium
EPSS probability0.25%
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 Voice Recorder before its Android-specific fixed releases allows physically proximate attackers to read recordings. Samsung has not published the affected component or the operation that fails to enforce access control when recording files are opened from the lock screen. Exploitation requires physical access to a locked device, and the reported consequence is limited to disclosure of stored recordings.

The record

CVE
CVE-2024-20839
Published
Mar 5, 2024
Updated
Aug 1, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Voice Recorder
Classifications
CWE-284
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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?

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

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Voice RecorderAffected versions are unavailable in this record.

Published CVSS scores

4.6Samsung MobileCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.6NIST NVDCVSS:3.1/AV:P/AC:L/PR:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control

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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