Security readout for executives and security teams
Plain-English summary
Some Huawei phone OS versions have a flaw in the chinadrm module that can read outside expected memory. The published impact is availability, meaning disruption or crashes are the business concern rather than confirmed data theft or tampering.
Executive priority
Prioritize remediation for Huawei devices that support critical operations. The known impact is availability, not confidentiality or integrity, but network-reachable, no-interaction conditions justify timely patch verification.
Technical view
CVE-2022-37007 is an out-of-bounds read in Huawei chinadrm affecting HarmonyOS 2.0, EMUI 11.0.0 and 12.0.0, and Magic UI 4.0.0. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, unchanged scope, high availability impact only.
Likely exposure
Exposure is limited to Huawei devices running the listed affected OS versions. Organizations should prioritize managed mobile fleets, shared devices, or operational devices where Huawei availability loss would affect business workflows.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. It also does not provide exploit mechanics. Treat this as a denial-of-service style risk based on the published availability impact.
Researcher notes
Public details are sparse: no CWE is listed, and the bundle names only an out-of-bounds read in chinadrm. Avoid assuming affected subcomponents, triggers, or fixes beyond Huawei bulletin guidance. Confidence is reduced by limited technical disclosure.
Mitigation direction
- Review Huawei's August 2022 security bulletin for device-specific guidance.
- Apply available Huawei security updates to affected HarmonyOS, EMUI, and Magic UI devices.
- Prioritize devices used in business-critical or shared operational workflows.
- If patch status is unclear, contact Huawei or the device management provider.
Validation and detection
- Inventory Huawei devices and record OS family and version.
- Compare versions against HarmonyOS 2.0, EMUI 11.0.0/12.0.0, and Magic UI 4.0.0.
- Confirm vendor security update level through MDM or device settings.
- Monitor affected fleets for unexplained availability issues or repeated crashes.
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-2022-37007 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://consumer.huawei.com/en/support/bulletin/2022/8/CVE reference · x_refsource_MISC
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202208-0000001363876177CVE 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.