CVE-2024-20802
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 access control vulnerability in Samsung DeX prior to SMR Jan-2024 Release 1 allows owner to access other users' notification in a multi-user environment.
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 confidenceImproper access control in Samsung DeX prior to the SMR Jan-2024 release allows the owner/primary user to access notifications belonging to other users in a multi-user environment, violating user isolation boundaries.
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< smr_jan-2024_release_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
- 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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Verify Samsung DeX is installedNavigate to Settings > Samsung DeX on the Samsung device, or check the app drawer for the Samsung DeX iconAffected if Samsung DeX is present on the device
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Check Samsung DeX versionIn Settings > Samsung DeX > About Samsung DeX, note the version number or build identifierAffected if Version is earlier than smr_jan-2024_release_1
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Confirm multi-user environment existsCheck Settings > Accounts and backup > Users on the device to see if multiple user accounts are configuredAffected if Multiple user accounts exist on the device besides the owner/primary account
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Compare version against thresholdCross-reference the installed Samsung DeX version with the affected range: any version prior to smr_jan-2024_release_1Affected if Installed version is less than smr_jan-2024_release_1 AND multi-user accounts are configured
The device is affected if Samsung DeX is installed with a version earlier than smr_jan-2024_release_1 in a multi-user environment where secondary accounts exist alongside the primary user.
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 · scopedApply the Samsung SMR Jan-2024 Release 1 security update to Samsung DeX to remediate the improper access control vulnerability.
SMR Jan-2024 Release 1 or later
- Open Settings on your Samsung device
- Navigate to Software Update
- Tap Download and Install to check for and install the latest Samsung Maintenance Release (SMR)
- Ensure the installed version is SMR Jan-2024 Release 1 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,752.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-20802 — 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-2024-20802 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
- No spam, self-promotion, credentials, or personal data