CVE-2023-52540Network attack vector

Unauthenticated service interruption

Published Apr 8, 2024 · Updated Mar 28, 2025

Improper authentication in the Iaware module of Huawei HarmonyOS and EMUI allows remote attackers to interrupt affected device services. Huawei has not published the faulty authentication operation, request interface, or malformed input that triggers the Iaware failure. Affected releases are HarmonyOS 2.0.0, 2.1.0, 3.0.0, 3.1.0, and 4.0.0 and EMUI 12.0.0 and 13.0.0; no account or user interaction is required, and the reported consequence is limited to availability.

CVSS severity7.5
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in the Iaware module of Huawei HarmonyOS and EMUI allows remote attackers to interrupt affected device services. Huawei has not published the faulty authentication operation, request interface, or malformed input that triggers the Iaware failure. Affected releases are HarmonyOS 2.0.0, 2.1.0, 3.0.0, 3.1.0, and 4.0.0 and EMUI 12.0.0 and 13.0.0; no account or user interaction is required, and the reported consequence is limited to availability.

The record

CVE
CVE-2023-52540
Published
Apr 8, 2024
Updated
Mar 28, 2025
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-287, T1642
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 28, 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=2.1.0
  3. Affected versionversion=3.0.0
  4. Affected versionversion=3.1.0
  5. Affected versionversion=4.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=2.0.0; version=2.1.0; version=3.0.0; version=3.1.0; version=4.0.0
MindSpore · EMUIversion=12.0.0; version=13.0.0

Published CVSS scores

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.

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1642Endpoint 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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