CVE-2021-40029

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 Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.

Se presenta una vulnerabilidad de desbordamiento de búfer debido a un error de límite con el servidor Samba en el módulo file management en los smartphones. Una explotación con éxito de esta vulnerabilidad puede afectar la estabilidad del funcionamiento

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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"				10.0.0 Search vendor "Huawei" for product "Emui" and version "10.0.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				10.1.0 Search vendor "Huawei" for product "Emui" and version "10.1.0"		-		Affected
Huawei Search vendor "Huawei"		Emui Search vendor "Huawei" for product "Emui"				10.1.1 Search vendor "Huawei" for product "Emui" and version "10.1.1"		-		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"				11.0.1 Search vendor "Huawei" for product "Emui" and version "11.0.1"		-		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"				3.0.0 Search vendor "Huawei" for product "Magic Ui" and version "3.0.0"		-		Affected
Huawei Search vendor "Huawei"		Magic Ui Search vendor "Huawei" for product "Magic Ui"				3.1.0 Search vendor "Huawei" for product "Magic Ui" and version "3.1.0"		-		Affected
Huawei Search vendor "Huawei"		Magic Ui Search vendor "Huawei" for product "Magic Ui"				3.1.1 Search vendor "Huawei" for product "Magic Ui" and version "3.1.1"		-		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