CVE-2021-22437

CVSS V2 Medium 6.9 CVSS V3 High 7

Description

There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.

Overview

CVE ID
CVE-2021-22437

Assigner
psirt@huawei.com

Vulnerability Status
Analyzed

Published Version
2022-02-25T19:15:10

Last Modified Date
2022-03-07T18:53:27

Weakness Enumerations

CWE	URL
CWE-190	http://cwe.mitre.org/data/definitions/190.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:huawei:emui:10.1.0:::::::*	1	OR
cpe:2.3:o:huawei:emui:10.1.1:::::::*	1	OR
cpe:2.3:o:huawei:magic_ui:3.1.0:::::::*	1	OR
cpe:2.3:o:huawei:magic_ui:3.1.1:::::::*	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://consumer.huawei.com/en/support/bulletin/2021/9/	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-22437
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22437

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 15:47:08				Added to TrackCVE
2022-12-06 10:50:57	2022-02-25T19:15Z	2022-02-25T19:15:10	CVE Published Date	updated
2022-12-06 10:50:57		2022-03-07T18:53:27	CVE Modified Date	updated
2022-12-06 10:50:57		Analyzed	Vulnerability Status	updated