CVE-2021-46840 - Vulnerability Details - OpenCVE

The HW_KEYMASTER module has an out-of-bounds access vulnerability in parameter set verification.Successful exploitation of this vulnerability may cause malicious construction of data, which results in out-of-bounds access.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00422.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Huawei	Emui Harmonyos

Configuration 1 [-]

OR	cpe:2.3:o:huawei:emui:11.0.1:::::::*
	cpe:2.3:o:huawei:emui:12.0.0:::::::*
	cpe:2.3:o:huawei:harmonyos:2.0:::::::*

No data.

No data.

References

Link	Providers
https://consumer.huawei.com/en/support/bulletin/2022/10/
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202210-0000001416095697

History

Thu, 15 May 2025 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: huawei

Published: 2022-10-14T00:00:00.000Z

Updated: 2025-05-15T15:11:48.840Z

Reserved: 2022-09-27T00:00:00.000Z

Link: CVE-2021-46840

Vulnrichment

Updated: 2024-08-04T05:17:42.606Z

NVD

Status : Modified

Published: 2022-10-14T16:15:12.303

Modified: 2026-06-17T04:15:38.970

Link: CVE-2021-46840

Redhat

No data.

OpenCVE Enrichment

No data.

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