Security readout for executives and security teams
Plain-English summary
CVE-2021-22445 is an input-checking flaw affecting listed Huawei smartphone software versions. The reported impact is that successful exploitation may cause the device system to reset. The public bundle does not provide severity scoring, attack vector, fixed versions, or evidence of active exploitation.
Executive priority
Handle as a targeted mobile availability risk, not a confirmed crisis. Prioritize verification for managed Huawei phones and apply vendor guidance where available. Urgency is constrained by missing severity and exploit evidence.
Technical view
The issue is described as an input verification vulnerability in Huawei smartphones running specified EMUI and Magic UI versions. The only stated impact is system reset, suggesting an availability failure. No CVSS, CWE, exploit prerequisites, privilege requirements, or patch version details are included in the provided sources.
Likely exposure
Exposure is limited to Huawei smartphones running EMUI 11.0.0, 10.1.1, 10.1.0, 10.0.0, 9.1.1, 9.1.0, or Magic UI 4.0.0, 3.1.1, 3.1.0, 3.0.0, 2.1.1.
Exploitation context
The source bundle marks this CVE as not in KEV and provides no cited evidence of active exploitation. It also does not identify whether exploitation is remote, local, authenticated, or user-assisted. Treat exploitation status and attack path as unconfirmed.
Researcher notes
Public detail is sparse. The record identifies affected products and reset impact, but omits attack vector, root cause details, CWE, CVSS, exploit conditions, and fixed versions. Avoid assuming broader Huawei product impact without vendor confirmation.
Mitigation direction
- Check Huawei's June 2021 security bulletin for official remediation guidance.
- Inventory Huawei devices and identify affected EMUI or Magic UI versions.
- Apply applicable Huawei security updates through approved device management processes.
- Prioritize managed or business-critical phones that match affected versions.
- Consider replacement or isolation where vendor-supported updates are unavailable.
Validation and detection
- Confirm device OS product and version against the affected version list.
- Review Huawei's bulletin entry for CVE-2021-22445 on each device class.
- Verify whether applicable security updates are installed after remediation.
- Document any devices remaining on affected versions and their business owners.
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-2021-22445 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.