CVE-2023-52106
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 · uneditedVulnerability of permission verification for APIs in the DownloadProviderMain module. Impact: Successful exploitation of this vulnerability will affect integrity and availability.
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 · low confidenceMissing or inadequate permission verification in DownloadProviderMain module APIs allows unauthorized access to download-related functionality. This could enable attackers to manipulate downloads (integrity impact) or disrupt download services (availability impact).
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= 4.0.0CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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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Identify HarmonyOS versionGo to Settings > About Phone > Version on the Huawei device and note the OS version numberAffected if version number is exactly 4.0.0 (other versions are not affected)
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Confirm DownloadProviderMain module presenceCheck system app list or use ADB command 'pm list packages' to look for any packages containing 'downloadprovider' or 'download' in the nameAffected if DownloadProvider or DownloadProviderMain package exists on the device
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Inspect download provider componentUse ADB to dump package info: 'dumpsys package <package_name>' for any download-related package, check for DownloadProviderMain component definitions in AndroidManifest.xmlAffected if DownloadProviderMain component is exported and accessible to third-party apps without signature permission
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Verify permission configurationCheck AndroidManifest.xml of the DownloadProviderMain component for permission requirements on exposed APIs - look for 'android:permission' attributes on content provider entriesAffected if APIs are exposed without 'android:permission' attribute or with weak permission (like READ_EXTERNAL_STORAGE without WRITE_EXTERNAL_STORAGE check)
Device is affected if running HarmonyOS version 4.0.0 and the DownloadProviderMain module exposes download APIs without proper permission verification.
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 dataImplement proper permission checks on all APIs in the DownloadProviderMain module, ensuring callers have appropriate Android permissions before allowing access to download operations.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-52106 — 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-2023-52106 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
- No spam, self-promotion, credentials, or personal data