Security readout for executives and security teams
Plain-English summary
This Huawei mobile software flaw involves weak permission management in HwSEServiceAPP. If exploited, it may expose CPLC information, a device/card lifecycle identifier. The sources do not provide CVSS severity, exploit details, or evidence of active exploitation.
Executive priority
Treat this as a targeted mobile fleet hygiene issue, not a confirmed emergency. Prioritize if the organization manages Huawei devices or handles sensitive mobile identity, payments, or device lifecycle data.
Technical view
CVE-2021-46811 affects Huawei HarmonyOS, EMUI, and Magic UI versions listed in the CVE record. The disclosed impact is information disclosure of Card Production Life Cycle data caused by permission management weakness in HwSEServiceAPP. No CWE, CVSS vector, or exploit status is provided.
Likely exposure
Exposure is most likely limited to Huawei devices running HarmonyOS 2.0, affected EMUI 10.1.x to 12.0.0 versions, or affected Magic UI 3.1.x and 4.0.0 versions.
Exploitation context
The source bundle says successful exploitation may disclose CPLC information. It does not state prerequisites, attacker position, exploit maturity, public exploit availability, or active exploitation. The CVE is not marked as CISA KEV.
Researcher notes
The public record is sparse: no CVSS, CWE, exploit narrative, or concrete patch identifier is included in the bundle. Analysis should stay anchored to affected version matching and Huawei bulletin verification.
Mitigation direction
- Inventory Huawei devices and record OS family and version.
- Review Huawei June 2022 security bulletin guidance for this CVE.
- Apply vendor-recommended security updates where available.
- Retire or restrict unmanaged devices that cannot receive vendor updates.
Validation and detection
- Check for HarmonyOS 2.0, listed EMUI versions, or listed Magic UI versions.
- Confirm devices received the relevant Huawei June 2022 security bulletin update.
- Review mobile device management records for remaining affected versions.
- Document exceptions where patch status cannot be verified.
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-2021-46811 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/2022/6/CVE reference · x_refsource_MISC
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202206-0000001270350482CVE 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.