EmuiOperating system · Huawei

CVE-2022-38991

HIGH · 7.5 CVSS v3.1 Published 2022-09-16
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click

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 · unedited
The secure OS module has configuration defects. Successful exploitation of this vulnerability may affect 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 · low confidence

A configuration defect in a secure OS module allows attackers to impact data confidentiality. The vulnerability stems from improper security settings in the module's configuration that can be exploited to gain unauthorized access to sensitive data.

MitigationReview and remediate the configuration settings of the affected secure OS module to ensure proper security controls are in place. Consult vendor documentation for specific configuration hardening guidance.

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
EmuiOperating system
Affected:= 10.1.0= 10.1.1= 12.0.0
HarmonyosOperating system
Affected:= 2.0
Magic UiOperating system
Affected:= 3.1.0= 3.1.1

CVSS 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 checks

Work through these to decide whether this CVE applies to you.

  1. Check the device OS version
    On the Huawei device, navigate to Settings > About Phone (or System > About Device) to view the installed Emui, Harmonyos, or Magic Ui version number
    Affected if The displayed version exactly matches 10.1.0, 10.1.1, 12.0.0 (Emui), 2.0 (Harmonyos), or 3.1.0/3.1.1 (Magic Ui)
  2. Identify the secure OS module
    Consult device documentation or system settings to locate the secure OS module responsible for data protection and confidentiality features
    Affected if The secure OS module is present and active on the device
  3. Review the secure OS module configuration settings
    Access the configuration interface for the secure OS module (typically found in Settings under Security or Privacy sections) and inspect all security-related settings
    Affected if Any security settings are found to be improperly configured, disabled, or set to allow unauthorized access
  4. Verify data confidentiality protections
    Test or inspect whether the secure OS module properly protects sensitive data from unauthorized access attempts
    Affected if The module fails to enforce proper data confidentiality controls or allows bypass of security measures

The device is affected if it runs any of the exact versions listed (Emui 10.1.0/10.1.1/12.0.0, Harmonyos 2.0, or Magic Ui 3.1.0/3.1.1) AND contains the vulnerable secure OS module with improper security configuration settings.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Review and remediate the configuration settings of the affected secure OS module to ensure proper security controls are in place. Consult vendor documentation for specific configuration hardening guidance.

Fix this in Emui Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2022-38991 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-38991 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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