CVE-2021-22322
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 · uneditedThere is a Missing Authentication for Critical Function vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may impair data confidentiality.
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 confidenceThis is a Missing Authentication for Critical Function vulnerability in Huawei Smartphone firmware. The vulnerability allows unauthenticated attackers to access a critical function that should require authentication, potentially leading to unauthorized access to sensitive data stored on the device.
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= 11.0.0= 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
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/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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Identify your Huawei firmware versionGo to Settings > About Phone on your Huawei device to view the installed EMUI or Magic UI versionAffected if The displayed version matches 11.0.0 for EMUI or 4.0.0 for Magic UI
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Confirm the exact EMUI or Magic UI buildIn Settings > About Phone > Version, note the full build number and confirm it corresponds to the 11.0.0 or 4.0.0 releaseAffected if The firmware build is exactly 11.0.0 (EMUI) or 4.0.0 (Magic UI)
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Verify the device model falls within affected modelsCheck your device model in Settings > About Phone and cross-reference with Huawei's official list of devices that received the 11.0.0 or 4.0.0 updateAffected if Your device model received and is running the affected EMUI 11.0.0 or Magic UI 4.0.0 version
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Assess exposure to the vulnerable functionDetermine if any applications or services on the device expose critical functions that should require authentication but may be accessible without credentialsAffected if The device runs the affected firmware version AND has services or functions that lack proper authentication checks
You are affected if your Huawei device runs EMUI version 11.0.0 or Magic UI version 4.0.0 and contains the vulnerable critical function that lacks authentication protection.
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 authentication checks for the vulnerable critical function. This typically involves adding robust authentication mechanisms and validating user credentials before allowing access to the sensitive functionality.
- Consultation3.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,720.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-22322 — 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-2021-22322 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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