CVE-2021-22351
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 Credentials Management Errors Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may induce users to grant permissions on modifying items in the configuration table,causing system exceptions.
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 credentials management error vulnerability in Huawei smartphones that allows manipulation of configuration table items through improperly controlled permission grants. Successful exploitation tricks users into granting elevated permissions that enable modification of system configuration data, leading to system exceptions and instability.
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= 10.1.1= 11.0.0= 11.0.1= 3.1.1= 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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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Check your EMUI versionGo to Settings > About Phone > Version, or dial *#*#2846579#*#* to access the engineering menu, and locate the EMUI version fieldAffected if The version displayed equals 10.1.1, 11.0.0, or 11.0.1
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Check your Magic UI versionGo to Settings > About Phone > Version and locate the Magic UI version fieldAffected if The version displayed equals 3.1.1 or 4.0.0
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Identify if third-party apps with elevated permissions are installedReview installed applications in Settings > Apps, focusing on apps from unofficial sources that request system configuration or administrator permissionsAffected if Apps requesting modification of system configuration settings are present and the device runs an affected EMUI or Magic UI version
Your device is affected if it runs EMUI 10.1.1, 11.0.0, or 11.0.1, or Magic UI 3.1.1 or 4.0.0, and contains applications that can request elevated permissions for configuration table manipulation.
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 dataApply available Huawei security patches for affected smartphone models and review application permission requests carefully to prevent unauthorized configuration table modifications.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 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 $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-22351 — 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-2021-22351 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