Security readout for executives and security teams
Plain-English summary
This Huawei smartphone issue affects listed EMUI and Magic UI versions. The public description says successful exploitation may allow remote command execution attempts. The source bundle does not provide a severity score, exploit status, fixed version, or detailed attack requirements.
Executive priority
Treat this as a targeted mobile exposure review, not an emergency based on current evidence. Prioritize if Huawei devices access corporate email, VPN, privileged apps, or sensitive data and remain on affected firmware.
Technical view
CVE-2021-22387 is described as improper control of dynamically managed code resources in Huawei Smartphone software. Affected products are EMUI 11.0.0, 10.1.1, 10.1.0 and Magic UI 4.0.0, 3.1.1, 3.1.0. Technical details, CWE, CVSS, and precise vulnerable components are not provided.
Likely exposure
Exposure is likely limited to Huawei smartphones running the affected EMUI or Magic UI versions listed in the CVE source bundle. Organizations should focus on managed mobile fleets, BYOD inventories, and users with Huawei devices on those firmware branches.
Exploitation context
The bundle does not show CISA KEV listing or any cited evidence of active exploitation. It only states that successful exploitation may allow attempts to remotely execute commands, without describing exploit prerequisites or public exploit availability.
Researcher notes
Public evidence is sparse. The record lacks CVSS, CWE, exploit prerequisites, vulnerable component detail, and fixed-version mapping. Do not infer exploitability beyond the stated remote command execution attempts without Huawei bulletin details or additional primary-source evidence.
Mitigation direction
- Identify Huawei devices running affected EMUI or Magic UI versions.
- Review Huawei’s June 2021 bulletin for applicable vendor guidance.
- Apply available Huawei or carrier firmware updates through approved channels.
- Restrict sensitive business access from unpatched affected mobile devices.
- Monitor vendor advisories for corrected versions and device-specific notes.
Validation and detection
- Inventory managed and BYOD Huawei smartphone firmware versions.
- Compare device builds against affected EMUI and Magic UI versions.
- Confirm whether Huawei’s June 2021 bulletin applies to each device model.
- Verify patch status through device management or user-submitted firmware screenshots.
- Check vulnerability management records for 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-2021-22387 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.