CVE-2023-52546Network attack vector

Information disclosure via package-name verification bypass

Published Apr 8, 2024 · Updated Mar 28, 2025

Package-name verification bypass in Huawei Calendar on HarmonyOS 3.1.0 and 4.0.0 and EMUI 13.0.0 allows remote attackers to read service data. Huawei has not published which Calendar component accepts the unverified package name or how the bypass exposes confidential service data. Network access without authentication or user interaction is sufficient, and the published impact is limited to confidentiality.

CVSS severity7.5
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Package-name verification bypass in Huawei Calendar on HarmonyOS 3.1.0 and 4.0.0 and EMUI 13.0.0 allows remote attackers to read service data. Huawei has not published which Calendar component accepts the unverified package name or how the bypass exposes confidential service data. Network access without authentication or user interaction is sufficient, and the published impact is limited to confidentiality.

The record

CVE
CVE-2023-52546
Published
Apr 8, 2024
Updated
Mar 28, 2025
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-345
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=3.1.0
  2. Affected versionversion=4.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=3.1.0; version=4.0.0
MindSpore · EMUIversion=13.0.0

Published CVSS scores

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

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-345Insufficient Verification of Data Authenticity

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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