CVE-2023-47217

Local service interruption via Arkruntime buffer overflow

Published Nov 20, 2023 · Updated Aug 28, 2024

A buffer overflow in Arkruntime in OpenHarmony 3.2.0 through 3.2.2 allows local users to interrupt system service operation. OpenHarmony has not disclosed the affected Arkruntime function, input, or unchecked copy operation that overflows the buffer. Local access is required; the published impact is limited to availability, and the record does not distinguish a hang from a crash or reboot.

CVSS severity4.0
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A buffer overflow in Arkruntime in OpenHarmony 3.2.0 through 3.2.2 allows local users to interrupt system service operation. OpenHarmony has not disclosed the affected Arkruntime function, input, or unchecked copy operation that overflows the buffer. Local access is required; the published impact is limited to availability, and the record does not distinguish a hang from a crash or reboot.

The record

CVE
CVE-2023-47217
Published
Nov 20, 2023
Updated
Aug 28, 2024
Vendor
OpenHarmony
Product
OpenHarmony
Classifications
CWE-120, T1499.004
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 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=v3.2.0 <=v3.2.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

OpenHarmony · OpenHarmonyversion=v3.2.0 <=v3.2.2

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.0OpenHarmonyCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1499.004Application or System Exploitation

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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