CVE-2024-3757

Local service crash via integer overflow

Published May 7, 2024 · Updated Aug 1, 2024

Integer overflow in the ArkCompiler runtime in OpenHarmony before 4.0.1 allows local users to crash an affected service. OpenHarmony has not published the vulnerable function, calculation, or attacker-controlled input that causes the integer overflow. Exploitation requires low-privileged local access and interrupts only the affected service, with no reported confidentiality or integrity impact.

CVSS severity3.3
Low
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Integer overflow in the ArkCompiler runtime in OpenHarmony before 4.0.1 allows local users to crash an affected service. OpenHarmony has not published the vulnerable function, calculation, or attacker-controlled input that causes the integer overflow. Exploitation requires low-privileged local access and interrupts only the affected service, with no reported confidentiality or integrity impact.

The record

CVE
CVE-2024-3757
Published
May 7, 2024
Updated
Aug 1, 2024
Vendor
OpenHarmony
Product
OpenHarmony
Classifications
CWE-190, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 7, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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=v4.0.0 <v4.0.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

OpenHarmony · OpenHarmonyversion=v4.0.0 <v4.0.1

Published CVSS scores

3.3OpenHarmonyCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-190Integer Overflow or Wraparound
T1499Endpoint Denial of Service

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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