CVE-2021-25420

Wi-Fi password disclosure via excessive logging

Published Jun 11, 2021 · Updated Aug 3, 2024

Sensitive information logging in Samsung Galaxy Watch Plugin before 2.2.05.21033151 allows local users to read the phone's Wi-Fi password. The wearable-device plugin writes the Wi-Fi password for the network connected to the paired smartphone into its log. Access requires local log permissions, and the reported consequence is disclosure of that network credential without integrity or availability impact.

CVSS severity5.5
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information logging in Samsung Galaxy Watch Plugin before 2.2.05.21033151 allows local users to read the phone's Wi-Fi password. The wearable-device plugin writes the Wi-Fi password for the network connected to the paired smartphone into its log. Access requires local log permissions, and the reported consequence is disclosure of that network credential without integrity or availability impact.

The record

CVE
CVE-2021-25420
Published
Jun 11, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Galaxy Watch Plugin
Classifications
CWE-532, CWE-779, T1552.001
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Jun 11, 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

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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=unspecified <2.2.05.21033151

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Samsung Electronics Co., Ltd. · Galaxy Watch Pluginversion=unspecified <2.2.05.21033151

Published CVSS scores

2.1NIST NVDAV:L/AC:L/Au:N/C:P/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/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)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-532Insertion of Sensitive Information into Log File
CWE-779Logging of Excessive Data
T1552.001Credentials In Files

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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