CVE-2024-20983Network attack vector

Authenticated database hang or repeatable crash

Published Jan 16, 2024 · Updated Jun 20, 2025

Denial of service in Oracle Corporation MySQL Server 8.0.34 and earlier allows remote authenticated users to hang or repeatedly crash it. Oracle identifies the affected locus only as the Server: DML component and has not published the malformed operation or resource-handling failure. Exploitation requires high database privileges over the MySQL protocol and affects availability only, producing a hang or frequently repeatable crash.

CVSS severity4.9
Medium
EPSS probability0.93%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Oracle Corporation MySQL Server 8.0.34 and earlier allows remote authenticated users to hang or repeatedly crash it. Oracle identifies the affected locus only as the Server: DML component and has not published the malformed operation or resource-handling failure. Exploitation requires high database privileges over the MySQL protocol and affects availability only, producing a hang or frequently repeatable crash.

The record

CVE
CVE-2024-20983
Published
Jan 16, 2024
Updated
Jun 20, 2025
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
CWE-400, T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 20, 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=* <=8.0.34

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Serverversion=* <=8.0.34

Published CVSS scores

4.9Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:H/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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
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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