CVE-2017-18654
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 · uneditedAn issue was discovered on Samsung mobile devices with M(6.0) and N(7.0, 7.1) software. An unauthenticated attacker can register a new security certificate. The Samsung ID is SVE-2017-9659 (September 2017).
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 confidenceThis vulnerability in Samsung mobile devices running Android M (6.0) and N (7.0, 7.1) allows an unauthenticated attacker to register new security certificates. This could enable malicious certificate injection, facilitating man-in-the-middle attacks or impersonation of legitimate services.
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= 6.0= 7.0= 7.1CVSS 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
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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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Confirm device is a Samsung mobile deviceCheck the device model and manufacturer in Settings > About Phone > Model Number or using 'getprop ro.product.brand' via ADBAffected if Device is not a Samsung brand (the vulnerability specifically affects Samsung devices)
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Identify the Android versionGo to Settings > About Phone > Android version, or use 'getprop ro.build.version.release' via ADBAffected if Android version is exactly 6.0, 7.0, or 7.1 (these are the affected versions)
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Check if the Samsung security patch is appliedGo to Settings > About Phone > Security patch level, or use 'getprop ro.build.version.security_patch' via ADBAffected if Security patch level is earlier than September 2017 or the patch SVE-2017-9659 is not installed (the vulnerability was patched in September 2017)
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Verify the certificate registration setting (if accessible)Inspect the device for any accessible certificate management UI in Settings > Security > Install from storage, or check for any pre-installed certificate management appsAffected if The system allows unauthenticated certificate installation without user confirmation (the vulnerability enables this behavior)
The device is affected if it is a Samsung mobile device running Android 6.0, 7.0, or 7.1 AND the September 2017 security patch (SVE-2017-9659) has not been applied.
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 dataSamsung released a security patch (SVE-2017-9659) in September 2017. Users should apply the latest security updates from Samsung to remediate this vulnerability.
- Consultation2.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-18654 — 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-2017-18654 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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