dbcve.org
EmuiOperating system · Huawei

CVE-2022-44562

CRITICAL · 9.8 CVSS v3.1 Published 2022-11-09
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
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 system framework layer has a vulnerability of serialization/deserialization mismatch. Successful exploitation of this vulnerability may cause privilege escalation.

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 confidence

This is an insecure deserialization vulnerability in the system framework layer where a mismatch between expected and actual data types during deserialization allows attackers to manipulate serialized objects. The critical CVSS score of 9.8 combined with privilege escalation impact indicates the flaw likely enables attackers to execute code or gain elevated system access.

MitigationApply vendor-provided security patches for the affected system framework component; until patched, minimize attack surface by restricting access to interfaces handling deserialization and implementing input validation on all data streams.

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:= 11.0.1= 12.0.0= 12.0.1
HarmonyosOperating system
Affected:= 2.0= 2.1= 3.0.0

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
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 checks

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

  1. Check your device OS version
    Go to Settings > About Phone (or Settings > System > About Device) and locate the EMUI or HarmonyOS version number displayed
    Affected if The version shown matches 11.0.1, 12.0.0, or 12.0.1 for EMUI, or 2.0, 2.1, or 3.0.0 for HarmonyOS
  2. Verify system framework component version
    Using ADB or device diagnostics, query the system framework package version: adb shell dumpsys package com.huawei.systemframework | grep versionName (or equivalent system framework package identifier)
    Affected if The framework component version matches the affected OS versions listed above
  3. Identify deserialization handling services
    Run 'adb shell dumpsys | grep -i deserial' or inspect system services that handle serialized object streams in the framework layer
    Affected if Deserialization services in the system framework are present and running on an affected version
  4. Check for exposed system framework interfaces
    Review network-exposed or app-accessible interfaces that invoke system framework deserialization: adb shell dumpsys activity services | grep -i framework
    Affected if The system framework deserialization layer is accessible to apps or external interfaces on a vulnerable version

You are affected if your device runs EMUI 11.0.1, 12.0.0, or 12.0.1, or HarmonyOS 2.0, 2.1, or 3.0.0 and the system framework deserialization component is active.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor-provided security patches for the affected system framework component; until patched, minimize attack surface by restricting access to interfaces handling deserialization and implementing input validation on all data streams.

Recommended fix Moderate confidence

Upgrade to the latest available HarmonyOS or EMUI release that includes the January 2023 security patch or later

  1. Check your device's current HarmonyOS or EMUI version in Settings > About Phone
  2. For HarmonyOS devices: Go to Settings > System & Updates > Software Update and download the latest available update
  3. For EMUI devices: Go to Settings > System & Updates > Software Update and download the latest available update
  4. Ensure the update includes the January 2023 security patch or later (which contains the fix for CVE-2022-44562)
  5. After updating, verify the firmware version in Settings > About Phone
Caveat Review release notes for your specific device model; some older devices may not receive further updates

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Emui Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing12.0 h
  • Review / QA8.0 h
44.0 hours of engineering $7,720
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Scan for this in your stack

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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-2022-44562 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