Security readout for executives and security teams
Plain-English summary
This Huawei NFC flaw could let third-party apps access files normally reserved for system apps. That creates serious confidentiality and integrity risk on affected mobile devices, especially where corporate data or privileged app data is present. The public bundle does not confirm exploitation in the wild.
Executive priority
Treat this as high-priority mobile fleet remediation where affected Huawei devices are present. The issue enables access to protected system-app files, which can affect sensitive data integrity and confidentiality, but current sources do not prove active exploitation.
Technical view
CVE-2022-39008 is a CWE-502 serialization/deserialization issue in Huawei's NFC module affecting HarmonyOS 2.0 and EMUI 12.0.0. Huawei describes possible read/write access to system-app-only files by third-party apps. CVSS 3.1 is 9.1 with network attack vector, no privileges, no user interaction, and high confidentiality/integrity impact.
Likely exposure
Exposure is limited to Huawei devices running HarmonyOS 2.0 or EMUI 12.0.0, per the source bundle. Organizations with managed Huawei mobile fleets, BYOD Huawei devices, or NFC-enabled workflows should inventory these OS versions and verify bulletin coverage.
Exploitation context
The bundle marks KEV as false and provides no cited evidence of active exploitation. The CVSS vector indicates low-complexity, unauthenticated, no-user-interaction exploitation, but public source detail is insufficient to describe exact triggering conditions or attack paths.
Researcher notes
Public detail is sparse. Do not assume affected versions beyond HarmonyOS 2.0 and EMUI 12.0.0. Focus validation on version inventory, Huawei bulletin mapping, and patch status. Avoid claiming exploitability specifics beyond the CVSS vector and Huawei description.
Mitigation direction
- Review Huawei's September 2022 security bulletin for affected models and update guidance.
- Prioritize security updates for HarmonyOS 2.0 and EMUI 12.0.0 devices.
- Use MDM controls to identify and isolate unpatched affected Huawei devices.
- Limit untrusted third-party app installation on affected devices until remediated.
- Follow Huawei guidance if a model lacks an available update.
Validation and detection
- Inventory Huawei devices and record OS family, version, and security patch level.
- Compare device versions against HarmonyOS 2.0 and EMUI 12.0.0 affected entries.
- Confirm applicable Huawei September 2022 updates are installed where available.
- Check MDM compliance reports for remaining affected or unsupported devices.
- Document exceptions and compensating controls for devices that cannot be updated.
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.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-39008 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
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202209-0000001392278845CVE reference · x_refsource_MISC
- https://consumer.huawei.com/en/support/bulletin/2022/9/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.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.