CVE-2021-22427

Severity Score

8.1

*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 Huawei Smartphone.Successful exploitation of this vulnerability may lead to authentication bypass.

Se presenta una vulnerabilidad de desbordamiento del búfer en la región heap de la memoria en el Smartphone de Huawei. Una explotación con éxito de esta vulnerabilidad puede conllevar una omisión de autenticación

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-05 CVE Reserved
2021-08-02 CVE Published
2024-05-01 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://consumer.huawei.com/en/support/bulletin/2021/6	2021-12-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
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"		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