CVE-2018-21074

Local information disclosure via Trustlet debug log

Published Apr 8, 2020 · Updated Aug 5, 2024

Information disclosure in a Samsung mobile-device Trustlet on Android 6.x allows local users to read sensitive data through a debug log. A Trustlet exposes sensitive information through its debug-log output; Samsung has not identified the affected Trustlet, logged fields, or responsible code path. Exploitation requires local low-privileged access and is limited to confidentiality, with no reported integrity or availability effect.

CVSS severity3.3
Low
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in a Samsung mobile-device Trustlet on Android 6.x allows local users to read sensitive data through a debug log. A Trustlet exposes sensitive information through its debug-log output; Samsung has not identified the affected Trustlet, logged fields, or responsible code path. Exploitation requires local low-privileged access and is limited to confidentiality, with no reported integrity or availability effect.

The record

CVE
CVE-2018-21074
Published
Apr 8, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, T1005
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Apr 8, 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 privilegesUnavailable in this record.

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

3.3INCIBE-CERTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.1INCIBE-CERTAV:L/AC:L/Au:N/C:P/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)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1005Data 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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