Security readout for executives and security teams
Plain-English summary
CVE-2021-22414 is a Huawei smartphone memory buffer error that may cause the phone system to reset if exploited. The public record does not provide a CVSS score, affected handset models, or detailed technical conditions, so business impact should be treated as a device stability and availability risk until Huawei guidance clarifies scope.
Executive priority
Handle as a targeted mobile platform hygiene item, not an emergency based on current evidence. Prioritize if the organization still uses affected Huawei phones in business-critical or sensitive workflows.
Technical view
The CVE describes a memory buffer errors vulnerability affecting Huawei EMUI 10.0.0, 9.1.0, 8.2, 8.0 and Magic UI 3.0.0. The documented impact is system reset. The source bundle does not identify a CWE, attack vector, privileges required, patched versions, or proof of exploitation.
Likely exposure
Exposure is most likely limited to Huawei smartphones running the listed EMUI or Magic UI versions. The bundle does not identify specific device models, regions, carrier builds, or whether unsupported devices remain exposed.
Exploitation context
There is no CISA KEV listing and no cited source in the bundle claims active exploitation. Publicly provided detail is limited to the impact statement that successful exploitation may reset the system.
Researcher notes
The public data is sparse: no CVSS vector, CWE, affected model list, root cause detail, or patch version is included in the bundle. Avoid assuming exploitability beyond the documented system reset impact.
Mitigation direction
- Check Huawei's June 2021 security bulletin for device-specific guidance.
- Apply applicable Huawei firmware or security updates through supported channels.
- Prioritize managed phones running listed EMUI or Magic UI versions.
- For unsupported devices, evaluate replacement or isolation from sensitive workflows.
Validation and detection
- Inventory Huawei smartphones and record EMUI or Magic UI versions.
- Compare each device against the affected versions in the CVE record.
- Confirm whether Huawei's June 2021 bulletin applies to the device build.
- Document update status and remaining unsupported affected devices.
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-2021-22414 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.