CVE-2024-21062Network attack vector

Authenticated database hang or repeatable crash

Published Apr 16, 2024 · Updated Mar 28, 2025

Denial of service in Oracle MySQL Server 8.0.36 and earlier or 8.3.0 and earlier allows remote authenticated users to hang or crash the server. Oracle has not published the specific optimizer logic or untrusted query input that triggers the failure. Exploitation requires high-privilege credentials and MySQL Protocol network access; the reported consequence is limited to availability.

CVSS severity4.9
Medium
EPSS probability0.83%
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 MySQL Server 8.0.36 and earlier or 8.3.0 and earlier allows remote authenticated users to hang or crash the server. Oracle has not published the specific optimizer logic or untrusted query input that triggers the failure. Exploitation requires high-privilege credentials and MySQL Protocol network access; the reported consequence is limited to availability.

The record

CVE
CVE-2024-21062
Published
Apr 16, 2024
Updated
Mar 28, 2025
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
CWE-400, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 28, 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=* <=8.0.36
  2. Affected versionversion=* <=8.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · MySQL Serverversion=* <=8.0.36; version=* <=8.3.0

Published CVSS scores

4.9OracleCVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
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.

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Technologies

Your stack

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Your stack

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