Security readout for executives and security teams
Plain-English summary
CVE-2021-22373 is a Huawei smartphone software design-process defect affecting listed EMUI and Magic UI versions. The public description says successful exploitation may affect service integrity and availability, but it does not provide severity, CVSS, technical detail, or exploitation evidence.
Executive priority
Treat as an inventory and patch-confirmation item unless Huawei guidance shows affected devices in business use. Business urgency is constrained by sparse public detail and no sourced evidence of active exploitation.
Technical view
The CVE record identifies a design-introduced defect in Huawei smartphone software: EMUI 11.0.0 and 10.1.1, plus Magic UI 4.0.0 and 3.1.1. Impact is described only as possible integrity and availability effects. No CWE, CVSS vector, attack prerequisites, or vulnerable component details are provided.
Likely exposure
Exposure is likely limited to Huawei devices running the affected EMUI or Magic UI versions named in the CVE source bundle.
Exploitation context
The supplied sources do not show CISA KEV listing or any cited active exploitation. Exploitability details are not public in the bundle.
Researcher notes
Public data is minimal: no CVSS, CWE, vulnerable component, or attack vector is included. Analysis should stay anchored to Huawei's advisory and CVE metadata. Do not infer affected devices beyond EMUI and Magic UI versions listed.
Mitigation direction
- Identify Huawei devices running the listed EMUI or Magic UI versions.
- Review Huawei's May 2021 bulletin for applicable fixed build guidance.
- Apply vendor-supported firmware or security updates where available.
- Retire or isolate unsupported affected devices handling business data.
Validation and detection
- Inventory managed Huawei devices and record EMUI or Magic UI versions.
- Compare device versions against the affected versions in the CVE record.
- Confirm update status against Huawei's May 2021 bulletin.
- Check MDM compliance reports for unsupported or unpatched Huawei 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-2021-22373 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/2021/5/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.