CVE-2023-3455Network attack vector

Service disruption and integrity loss via key management

Published Jul 5, 2023 · Updated Nov 20, 2024

Key management vulnerability in Huawei EMUI 13.0.0 and HarmonyOS 3.0.0 and 3.1.0 allows attackers to disrupt services and compromise integrity. Huawei identifies the locus only as system key management and has not disclosed the component or wrong operation performed on untrusted input. The published assessment treats exploitation as remote and unauthenticated; reported consequences are limited to service disruption and integrity loss.

CVSS severity9.1
Critical
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

Key management vulnerability in Huawei EMUI 13.0.0 and HarmonyOS 3.0.0 and 3.1.0 allows attackers to disrupt services and compromise integrity. Huawei identifies the locus only as system key management and has not disclosed the component or wrong operation performed on untrusted input. The published assessment treats exploitation as remote and unauthenticated; reported consequences are limited to service disruption and integrity loss.

The record

CVE
CVE-2023-3455
Published
Jul 5, 2023
Updated
Nov 20, 2024
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-200, CWE-668
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 5, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 20, 2024Record 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=3.0.0
  2. Affected versionversion=3.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=3.0.0; version=3.1.0
MindSpore · EMUIversion=13.0.0

Published CVSS scores

9.1NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-668Exposure of Resource to Wrong Sphere

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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