CVE-2017-3218
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 · uneditedSamsung Magician 5.0 fails to validate TLS certificates for HTTPS software update traffic. Prior to version 5.0, Samsung Magician uses HTTP for software updates.
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 confidenceSamsung Magician 5.0 fails to validate TLS certificates when fetching software updates over HTTPS, allowing man-in-the-middle attackers to inject malicious updates by presenting invalid or spoofed certificates. Prior versions used unencrypted HTTP, making this a regression in security design where HTTPS was implemented but certificate validation was omitted.
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= 5.0CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:A/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 Magician is installedOpen Control Panel > Programs and Features, or use the 'Programs and Features' applet, and look for Samsung Magician in the installed software listAffected if Samsung Magician appears in the installed programs list
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Identify the installed version of Samsung MagicianRight-click on the Samsung Magician entry in Programs and Features and select 'Change' or 'Properties', or right-click the application shortcut and select 'Properties' to view the version number listed in the Version fieldAffected if The version displayed is exactly 5.0
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Confirm the version matches the affected releaseCompare the version number you found to the affected version range. The affected version is specifically 5.0. If the version shows 5.0 (without any additional build numbers or subversions), the installation is vulnerableAffected if The installed version is reported as 5.0, with no later build or subversion indicator
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Determine if the software update feature is in useThe vulnerability affects the update mechanism specifically. Users who launch Samsung Magician and access the software update or check for updates feature would be exposed to the man-in-the-middle risk when on an untrusted networkAffected if The system runs Samsung Magician 5.0 and uses or has used the software update/check for updates feature over HTTPS
A user is affected if Samsung Magician version 5.0 is installed and the software update feature has been used over an HTTPS connection on an untrusted network.
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 dataUsers should update to Samsung Magician version 5.1 or later which includes proper certificate validation. Until then, avoid using the software update feature on untrusted networks or implement network-level mitigations like ensuring updates occur only over trusted, controlled networks.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-3218 — 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-2017-3218 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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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