Security readout for executives and security teams
Plain-English summary
This vulnerability affects certain Huawei smartphone operating system versions and could let a local attacker reach kernel code execution. That is a serious device-compromise impact, but the source bundle does not show remote exploitation, public exploitation, KEV listing, CVSS scoring, or detailed patch mechanics.
Executive priority
Treat this as high priority where Huawei smartphones are used for corporate access, because kernel code execution can undermine endpoint trust. Urgency is lower than a confirmed remote or exploited vulnerability, but exposed devices should be identified and updated through vendor guidance.
Technical view
CVE-2021-22385 is described as external control of a system or configuration setting in a Huawei smartphone component. The listed impact is local attacker exploitation leading to kernel code execution. Affected platforms include EMUI 10.1.0/10.1.1/11.0.0, Magic UI 3.1.0/3.1.1/4.0.0, and HarmonyOS 2.0.
Likely exposure
Exposure is most likely in managed or personally owned Huawei smartphones running the listed EMUI, Magic UI, or HarmonyOS versions. The bundle does not identify specific device models, component names, or CPEs, so asset validation must rely on OS/version inventory and Huawei bulletin guidance.
Exploitation context
The provided CVE text says exploitation requires local attacker access. The bundle marks KEV as false and provides no cited evidence of active exploitation, public exploit availability, or remote attack paths. Kernel code execution increases impact if an attacker already has local execution or access on the device.
Researcher notes
Public details in the bundle are limited: no CVSS vector, CWE, vulnerable component name, model list, exploit chain, or patch diff is provided. Analysis should avoid assumptions beyond local attack requirements, affected OS versions, and kernel code execution impact stated in the CVE record.
Mitigation direction
- Review Huawei June 2021 security bulletin for affected device guidance.
- Apply applicable Huawei or HarmonyOS security updates to affected phones.
- Prioritize corporate-managed Huawei devices running listed OS versions.
- Restrict untrusted app installation on affected devices until updated.
- Check vendor guidance if no update path is available.
Validation and detection
- Inventory Huawei smartphones by OS family and version.
- Compare devices against listed EMUI, Magic UI, and HarmonyOS versions.
- Confirm applicable June 2021 security update status or later.
- Review mobile-device management records for unmanaged Huawei endpoints.
- Document devices without a confirmed vendor update path.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-22385 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
- https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077CVE 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.
