Huawei HarmonyOS API HwConnectivityExService denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Huawei HarmonyOS and classified as problematic. The affected element is the function HwConnectivityExService of the component API. The manipulation leads to denial of service. This vulnerability is traded as CVE-2021-39998. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Huawei HarmonyOS (the affected version unknown). It has been rated as problematic. This issue affects the function HwConnectivityExService of the component API. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was shared 01/10/2022. It is possible to read the advisory at consumer.huawei.com. The identification of this vulnerability is CVE-2021-39998 since 08/23/2021. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
01/10/2022 +140 days 🔍
01/10/2022 +0 days 🔍
01/12/2022 +2 days 🔍

Sourcesinfo

Vendor: huawei.com

Advisory: consumer.huawei.com
Status: Confirmed

CVE: CVE-2021-39998 (🔍)
GCVE (CVE): GCVE-0-2021-39998
GCVE (VulDB): GCVE-100-189899

Entryinfo

Created: 01/10/2022 19:50
Updated: 01/12/2022 13:32
Changes: 01/10/2022 19:50 (38), 01/12/2022 13:32 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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