CVE-2021-22386

CVSS V2 Medium 6.9 CVSS V3 High 7

Description

A component of the Huawei smartphone has a Double Free vulnerability. Local attackers may exploit this vulnerability to cause Root Elevation of Privileges.

Overview

CVE ID
CVE-2021-22386

Assigner
psirt@huawei.com

Vulnerability Status
Analyzed

Published Version
2021-08-10T14:15:07

Last Modified Date
2021-12-09T17:55:10

Weakness Enumerations

CWE	URL
CWE-415	http://cwe.mitre.org/data/definitions/415.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:huawei:emui:11.0.0:::::::*	1	OR
cpe:2.3:o:huawei:magic_ui:4.0.0:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
6.9

Severity
MEDIUM

Exploitability Score
3.4

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7

Base Severity
HIGH

Exploitability Score
1

Impact Score
5.9

References

Reference URL	Reference Tags
https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077	Third Party Advisory
https://consumer.huawei.com/en/support/bulletin/2021/6/	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-22386
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22386

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:41:59				Added to TrackCVE
2022-12-05 07:47:06	2021-08-10T14:15Z	2021-08-10T14:15:07	CVE Published Date	updated
2022-12-05 07:47:06		2021-12-09T17:55:10	CVE Modified Date	updated
2022-12-05 07:47:06		Analyzed	Vulnerability Status	updated