CVE-2024-20815
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 authentication vulnerability in onCharacteristicReadRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.
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 confidenceImproper authentication in the onCharacteristicReadRequest handler within Samsung's Auto Hotspot feature allows adjacent attackers to connect to a victim's mobile hotspot without user awareness. This Bluetooth/WiFi authentication bypass affects devices running versions prior to the SMR Feb-2024 Release.
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= 11.0= 12.0= 13.0= 14.0CVSS 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
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:A/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 Samsung AndroidGo to Settings > About Phone and verify the manufacturer is Samsung and the device runs Android OSAffected if Device is not Samsung or does not run Android
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Check Android versionGo to Settings > About Phone > Android version and note the displayed version numberAffected if Android version is 11.0, 12.0, 13.0, or 14.0 and the SMR is prior to Feb-2024 Release 1
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Verify Auto Hotspot feature is enabledGo to Settings > Connections > Mobile Hotspot and Tethering > Auto Hotspot and check if the feature is turned onAffected if Auto Hotspot is enabled and the device version matches the affected range
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Check SMR (Samsung Maintenance Release) versionGo to Settings > About Phone > Software Information > Build number or Settings > Security to find the SMR date. The fixed version is SMR Feb-2024 Release 1 or laterAffected if The SMR is dated before February 2024 or the build number is earlier than the Feb-2024 Release 1 build
A user is affected if they have a Samsung Android device running version 11.0-14.0 with Auto Hotspot enabled and the SMR is earlier than the Feb-2024 Release 1 build.
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 · scopedUpdate affected Samsung mobile devices to the SMR Feb-2024 Release 1 or later to apply the authentication fix.
Samsung Mobile Security Update February 2024 (SMR Feb-2024 Release 1)
- Open Settings on your Samsung Android device
- Navigate to Settings > Software update (or Security and privacy > Software update)
- Tap on Download and install to check for available updates
- Look for the February 2024 security update (SMR Feb-2024 Release 1)
- If available, download and install the update
- After installation, verify the security patch level in Settings > About phone > Software information shows a date in February 2024 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-20815 — 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-2024-20815 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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