CVE-2023-31227Network attack vector

Device data disclosure via unverified reflected API calls

Published May 26, 2023 · Updated Jan 15, 2025

Missing API-call verification in Huawei hwPartsDFR on HarmonyOS 2.1.0, 3.0.0, and 3.1.0 and EMUI 13.0.0 allows attackers to read device data. The module fails to verify reflected API calls before invocation, allowing calls from an unauthorized context to expose confidential device information. Huawei does not identify the callable APIs, required application context, or exact data exposed, so the reachability gate and disclosure scope remain undisclosed.

CVSS severity7.5
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing API-call verification in Huawei hwPartsDFR on HarmonyOS 2.1.0, 3.0.0, and 3.1.0 and EMUI 13.0.0 allows attackers to read device data. The module fails to verify reflected API calls before invocation, allowing calls from an unauthorized context to expose confidential device information. Huawei does not identify the callable APIs, required application context, or exact data exposed, so the reachability gate and disclosure scope remain undisclosed.

The record

CVE
CVE-2023-31227
Published
May 26, 2023
Updated
Jan 15, 2025
Vendor
Huawei Technologies Co., Ltd.
Product
HarmonyOS
Classifications
CWE-306
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=2.1.0
  2. Affected versionversion=3.0.0
  3. Affected versionversion=3.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Huawei Technologies Co., Ltd. · HarmonyOSversion=2.1.0; version=3.0.0; version=3.1.0
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

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-306Missing Authentication for Critical Function

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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