CVE-2019-20623

Local memory disclosure via uninitialized data

Published Mar 24, 2020 · Updated Aug 5, 2024

Uninitialized memory disclosure in Samsung Gallery on Android 7.1, 8.x, and 9.0 allows attackers to read residual memory via local interaction. Gallery exposes memory contents that were not initialized before use; Samsung has not published the affected function or triggering input. Exploitation requires local access and user interaction, and the documented consequence is limited to confidentiality loss.

CVSS severity3.3
Low
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uninitialized memory disclosure in Samsung Gallery on Android 7.1, 8.x, and 9.0 allows attackers to read residual memory via local interaction. Gallery exposes memory contents that were not initialized before use; Samsung has not published the affected function or triggering input. Exploitation requires local access and user interaction, and the documented consequence is limited to confidentiality loss.

The record

CVE
CVE-2019-20623
Published
Mar 24, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-908, T1533
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 24, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 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 buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

1.9NIST NVDAV:L/AC:M/Au:N/C:P/I:N/A:N
3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-908Use of Uninitialized Resource
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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