CVE-2023-0116Network attack vector

Service interruption via unauthenticated reminder broadcasts

Published May 26, 2023 · Updated Jan 15, 2025

Missing authentication in Huawei HarmonyOS and EMUI reminder modules allows remote attackers to interrupt service via received broadcasts. The reminder module accepts received broadcasts without authenticating the sender; Huawei has not disclosed the broadcast action or handler involved. No credentials or user interaction are required; affected releases are HarmonyOS 2.0.0, 2.0.1, 2.1.0, 3.0.0, and 3.1.0 and EMUI 12.0.0, 12.0.1, and 13.0.0.

CVSS severity7.5
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in Huawei HarmonyOS and EMUI reminder modules allows remote attackers to interrupt service via received broadcasts. The reminder module accepts received broadcasts without authenticating the sender; Huawei has not disclosed the broadcast action or handler involved. No credentials or user interaction are required; affected releases are HarmonyOS 2.0.0, 2.0.1, 2.1.0, 3.0.0, and 3.1.0 and EMUI 12.0.0, 12.0.1, and 13.0.0.

The record

CVE
CVE-2023-0116
Published
May 26, 2023
Updated
Jan 15, 2025
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-306, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 26, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 15, 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=2.0.0
  2. Affected versionversion=2.0.1
  3. Affected versionversion=2.1.0
  4. Affected versionversion=3.0.0
  5. Affected versionversion=3.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=2.0.0; version=2.0.1; version=2.1.0; version=3.0.0; version=3.1.0
MindSpore · EMUIversion=12.0.0; version=12.0.1; version=13.0.0

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1499Endpoint Denial of Service

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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