CVE-2021-25421
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper log management vulnerability in Galaxy Watch3 PlugIn prior to version 2.2.09.21033151 allows attacker with log permissions to leak Wi-Fi password connected to the user smartphone within log.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThe Galaxy Watch3 PlugIn mobile application prior to version 2.2.09.21033151 has an improper log management vulnerability where Wi-Fi passwords are being written to application logs in plaintext. An attacker with log access permissions can read these logs and extract the Wi-Fi password connected to the user's smartphone.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 2.2.09.21033151CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Check Galaxy Watch3 PlugIn versionOpen the app store on your smartphone (Galaxy Store or Google Play Store), search for Galaxy Watch3 PlugIn, and view the installed version. Alternatively, go to Settings > Apps > Galaxy Watch3 PlugIn to see the version number.Affected if The installed version is lower than 2.2.09.21033151
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Examine application logs for plaintext Wi-Fi credentialsAccess the application logs through Android logging utilities (logcat) or device management tools. Filter logs for the Galaxy Watch3 PlugIn application process and search for strings that may contain Wi-Fi network identifiers or password patterns.Affected if Logs contain plaintext Wi-Fi network names or passwords in plain text format
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Verify log access permissionsDetermine if third-party applications or adb debugging have permission to read the Galaxy Watch3 PlugIn logs. On Android, check if the device has developer mode enabled and whether apps have READ_LOGS permission.Affected if Log access is permitted to the Galaxy Watch3 PlugIn application logs without elevated restrictions
You are affected if the Galaxy Watch3 PlugIn version is below 2.2.09.21033151 and plaintext Wi-Fi passwords are present in accessible application logs.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor data2.2.09.21033151
Update Galaxy Watch3 PlugIn to version 2.2.09.21033151 or later. For enterprise deployments, identify affected devices, push the update, and verify the sensitive data is no longer present in logs.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-25421 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2021-25421 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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