Security readout for executives and security teams
Plain-English summary
CVE-2021-22389 is a Huawei smartphone permission-control flaw affecting EMUI 11.0.0 and Magic UI 4.0.0. The public description says successful exploitation may allow certain code execution, but the source bundle does not provide severity, CVSS, affected device models, prerequisites, or confirmed fixes.
Executive priority
Treat this as a targeted mobile exposure review, not an emergency without more evidence. Prioritize inventory and patch-status confirmation for Huawei fleets because the stated impact includes code execution but severity data is incomplete.
Technical view
The issue is described only as a permission control vulnerability in Huawei smartphones. Affected software listed is EMUI 11.0.0 and Magic UI 4.0.0. Public data does not include CWE, attack vector, privilege requirements, patch identifiers, or proof of active exploitation.
Likely exposure
Exposure is most likely limited to Huawei smartphones running EMUI 11.0.0 or Magic UI 4.0.0. The bundle does not identify specific models, regions, carrier builds, or whether later security updates fully resolve the issue.
Exploitation context
No active exploitation is supported by the provided sources, and the CVE is not listed as KEV in the supplied bundle. The only impact statement says exploitation may cause certain code execution, without operational details.
Researcher notes
The public record is sparse. Do not infer affected models, exploitability, or remediation beyond Huawei's bulletin. Useful follow-up research would confirm bulletin details, fixed build numbers, prerequisites, and whether downstream carrier firmware remained exposed.
Mitigation direction
- Review Huawei's June 2021 security bulletin for vendor guidance.
- Update affected devices through supported Huawei update channels if guidance identifies a fix.
- Inventory and isolate unsupported affected devices pending vendor confirmation.
- Restrict untrusted app installation on affected Huawei devices.
Validation and detection
- Identify Huawei devices running EMUI 11.0.0 or Magic UI 4.0.0.
- Compare device build and patch level against Huawei's June 2021 bulletin.
- Confirm whether each affected device still receives vendor security updates.
- Review mobile telemetry for unexpected app execution or permission anomalies.
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-2021-22389 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/2021/6/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.