CVE-2025-46586

Local availability disruption via missing authorization

Published May 6, 2025 · Updated Sep 18, 2025

Missing authorization in the contacts module in Huawei HarmonyOS 5.0.0 allows local users to disrupt system availability. Huawei has not published the affected operation, omitted permission check, or attacker-controlled input within the contacts module. Local execution is required, and the published material does not identify whether exploitation causes a hang, crash, reboot, or another service interruption.

CVSS severity5.1
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in the contacts module in Huawei HarmonyOS 5.0.0 allows local users to disrupt system availability. Huawei has not published the affected operation, omitted permission check, or attacker-controlled input within the contacts module. Local execution is required, and the published material does not identify whether exploitation causes a hang, crash, reboot, or another service interruption.

The record

CVE
CVE-2025-46586
Published
May 6, 2025
Updated
Sep 18, 2025
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-862, CWE-276
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.0.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=5.0.0

Published CVSS scores

5.5NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.1Huawei TechnologiesCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CWE-276Incorrect Default Permissions

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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