CVE-2023-1691Network attack vector

Feature disruption via uncaught communication-framework exceptions

Published Jul 6, 2023 · Updated Nov 20, 2024

Uncaught exception handling in Huawei HarmonyOS and EMUI allows remote attackers to disrupt communication-framework features. The communication framework fails to catch an exception, but Huawei has not disclosed the responsible code path, triggering input, or exception type. No authentication or user interaction is indicated; published impact is limited to abnormal operation of unspecified features.

CVSS severity7.5
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncaught exception handling in Huawei HarmonyOS and EMUI allows remote attackers to disrupt communication-framework features. The communication framework fails to catch an exception, but Huawei has not disclosed the responsible code path, triggering input, or exception type. No authentication or user interaction is indicated; published impact is limited to abnormal operation of unspecified features.

The record

CVE
CVE-2023-1691
Published
Jul 6, 2023
Updated
Nov 20, 2024
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-248
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 6, 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=2.0.0
  2. Affected versionversion=2.0.1
  3. Affected versionversion=3.0.0
  4. 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=3.0.0; version=3.1.0
MindSpore · EMUIversion=11.0.1; version=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:H/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-248Uncaught Exception

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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