CVE-2021-40026

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

There is a Heap-based buffer overflow vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity.

Se presenta una vulnerabilidad de desbordamiento de búfer en la región Heap de la memoria en el módulo AOD de los smartphones. Una explotación con éxito de esta vulnerabilidad puede afectar la integridad del servicio

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-23 CVE Reserved
2022-01-07 CVE Published
2024-08-04 CVE Updated
2024-09-22 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://consumer.huawei.com/en/support/bulletin/2022/1	2022-01-13
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331	2022-01-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Huawei Search vendor "Huawei"		Harmonyos Search vendor "Huawei" for product "Harmonyos"				< 2.0 Search vendor "Huawei" for product "Harmonyos" and version " < 2.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				11.0.0 Search vendor "Huawei" for product "Emui" and version "11.0.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				12.0.0 Search vendor "Huawei" for product "Emui" and version "12.0.0"		-		Affected
Huawei Search vendor "Huawei"		Magic Ui Search vendor "Huawei" for product "Magic Ui"				4.0.0 Search vendor "Huawei" for product "Magic Ui" and version "4.0.0"		-		Affected