CVE-2021-39977 - Vulnerability Details - OpenCVE

Description

The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart.

Published: 2022-01-03

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Huawei

HarmonyOS

affected

Version	Status	Constraints
`2.0`	affected	—

Configuration 1 [-]

cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-26333	The HwNearbyMain module has a NULL Pointer Dereference vulnerability.Successful exploitation of this vulnerability may cause a process to restart.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00182.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202111-0000001217889667

History

Thu, 22 May 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Huawei Harmonyos

MITRE

Status: PUBLISHED

Assigner: huawei

Published: 2022-01-03T21:07:34.000Z

Updated: 2025-05-22T18:41:29.173Z

Reserved: 2021-08-23T00:00:00.000Z

Link: CVE-2021-39977

Vulnrichment

Updated: 2024-08-04T02:20:34.189Z

NVD

Status : Modified

Published: 2022-01-03T22:15:10.427

Modified: 2025-05-22T19:15:25.843

Link: CVE-2021-39977

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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