Security readout for executives and security teams
Plain-English summary
This is a Huawei smartphone software vulnerability where a critical function lacks proper authentication. If exploited, it could reduce data confidentiality on affected devices. The public record names EMUI 11.0.0 and Magic UI 4.0.0, but does not provide device models, attack prerequisites, CVSS scoring, or confirmed exploitation.
Executive priority
Set priority after asset discovery. If affected Huawei phones handle corporate email, files, or privileged applications, treat remediation as business-relevant because the stated impact is confidentiality loss. Sparse public detail means uncertainty should drive verification, not dismissal.
Technical view
CVE-2021-22322 is described as Missing Authentication for Critical Function in Huawei Smartphone software. The affected software listed is EMUI 11.0.0 and Magic UI 4.0.0. Available sources state successful exploitation may impair data confidentiality, but do not describe the vulnerable component, required access, or remediation details.
Likely exposure
Exposure is most likely limited to Huawei smartphones running EMUI 11.0.0 or Magic UI 4.0.0. The source bundle does not identify specific phone models, regions, configurations, or whether managed enterprise devices are affected.
Exploitation context
CISA KEV status is false, and the supplied sources do not cite active exploitation, public exploit availability, or attacker use. Treat exploitation status as unconfirmed, not absent.
Researcher notes
Public data is thin: no CVSS vector, CWE entry, model list, affected component, prerequisites, or patch mapping is included in the bundle. Avoid assuming remote exploitability or specific fixes. The key research task is correlating Huawei bulletin details with actual fleet models and firmware builds.
Mitigation direction
- Identify Huawei devices running EMUI 11.0.0 or Magic UI 4.0.0.
- Review Huawei's March 2021 security bulletin for vendor guidance.
- Apply Huawei-supported security updates through official device management channels.
- Prioritize business-managed devices that store or access sensitive data.
- Restrict sensitive access from unpatched affected devices where feasible.
Validation and detection
- Inventory Huawei smartphone OS versions in MDM or endpoint records.
- Confirm whether any device reports EMUI 11.0.0 or Magic UI 4.0.0.
- Check Huawei security bulletin status for each affected device model.
- Verify devices have received applicable vendor security updates.
- Document unresolved devices and compensating access controls.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-22322 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://consumer.huawei.com/en/support/bulletin/2021/3/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.