CVE-2026-20997
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 verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication.
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 · moderate confidenceSmart Switch prior to version 3.7.69.15 contains an improper verification of cryptographic signature vulnerability that allows remote attackers to bypass authentication. The flaw allows attackers to circumvent authentication mechanisms by exploiting the faulty signature validation, potentially gaining unauthorized access to the affected system.
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< 3.7.69.15CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 if Samsung Smart Switch is installedOn Windows, open Programs and Features or search for 'Smart Switch' in the Start menu. On Mac, check the Applications folder for Smart Switch.Affected if Samsung Smart Switch is not present on the system, then the CVE does not apply.
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Find the installed version numberOpen Samsung Smart Switch, then navigate to Help > About Smart Switch. Alternatively, on Windows right-click the Smart Switch desktop shortcut, select Properties, and check the Details tab. On Mac, right-click the app in Applications, select Get Info, and view the version.Affected if Unable to determine the version number, treat as potentially affected.
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Compare your version against the affected rangeCompare the installed version (for example, 3.7.x.x) to 3.7.69.15. Any version lower than 3.7.69.15 is within the affected range.Affected if Installed version is lower than 3.7.69.15 (for example, 3.7.50.0 or 3.6.x).
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Identify if remote transfer features are usedSamsung Smart Switch uses network connectivity for the switch/transfer process between devices. Check if the device has been used for remote transfers or if the application has been connected to a network during device migrations.Affected if The application was used for device transfers over a network while running an affected version.
The environment is affected if Samsung Smart Switch version 3.7.69.15 or lower is installed and the remote transfer feature was used, allowing potential authentication bypass.
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.
dbcve · scoped3.7.69.15
Update Smart Switch to version 3.7.69.15 or later to obtain the patched version with proper cryptographic signature verification. Ensure all deployments are running the latest version.
Smart Switch version 3.7.69.15
- Identify the current version of Smart Switch installed on the device
- Navigate to the official Samsung Smart Switch download page or app store
- Download and install Smart Switch version 3.7.69.15 or later
- Verify the installed version after update to confirm the patch was applied
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation1.0 h
- Implementation1.0 h
- Testing1.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-20997 — 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-2026-20997 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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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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