CVE-2021-46840

CVSS V2 None CVSS V3 Critical 9.1

Description

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.

Overview

CVE ID
CVE-2021-46840

Assigner
psirt@huawei.com

Vulnerability Status
Analyzed

Published Version
2022-10-14T16:15:12

Last Modified Date
2022-10-18T18:39:27

Weakness Enumerations

CWE	URL
CWE-125	http://cwe.mitre.org/data/definitions/125.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
cpe:2.3:o:huawei:emui:11.0.1:::::::*	1	OR
cpe:2.3:o:huawei:emui:12.0.0:::::::*	1	OR
cpe:2.3:o:huawei:harmonyos:2.0:::::::*	1	OR

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-46840
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46840

History

Created	Old Value	New Value	Data Type	Notes
2022-10-14 17:00:11				Added to TrackCVE
2022-12-07 07:23:35	2022-10-14T16:15Z	2022-10-14T16:15:12	CVE Published Date	updated
2022-12-07 07:23:35		2022-10-18T18:39:27	CVE Modified Date	updated
2022-12-07 07:23:35		Analyzed	Vulnerability Status	updated