Huawei Harmony MPTCP Subsystem type confusion

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Huawei Harmony. This issue affects some unknown processing of the component MPTCP Subsystem. The manipulation results in type confusion. This vulnerability is cataloged as CVE-2021-40037. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical has been found in Huawei Harmony (the affected version unknown). Affected is an unknown part of the component MPTCP Subsystem. The manipulation with an unknown input leads to a type confusion vulnerability. CWE is classifying the issue as CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 01/10/2022. The advisory is shared for download at consumer.huawei.com. This vulnerability is traded as CVE-2021-40037 since 08/23/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Type confusion
CWE: CWE-843
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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-2021-40037 (🔍)
GCVE (CVE): GCVE-0-2021-40037
GCVE (VulDB): GCVE-100-189864

Entryinfo

Created: 01/10/2022 18:30
Updated: 01/12/2022 09:27
Changes: 01/10/2022 18:30 (37), 01/12/2022 09:27 (1)
Complete: 🔍
Cache ID: 216::103

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