CVE-2024-21207Network attack vector

Authenticated denial of service via undisclosed InnoDB flaw

Published Oct 15, 2024 · Updated Mar 13, 2025

Denial of service in MySQL Server 8.0.38 and earlier, 8.4.1 and earlier, and 9.0.1 and earlier allows remote authenticated users to crash it. Oracle identifies InnoDB as the affected component but has not published the flawed operation or the input that triggers resource consumption. Exploitation requires a high-privileged account with network access and can repeatedly hang or crash the database service.

CVSS severity4.9
Medium
EPSS probability0.89%
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 MySQL Server 8.0.38 and earlier, 8.4.1 and earlier, and 9.0.1 and earlier allows remote authenticated users to crash it. Oracle identifies InnoDB as the affected component but has not published the flawed operation or the input that triggers resource consumption. Exploitation requires a high-privileged account with network access and can repeatedly hang or crash the database service.

The record

CVE
CVE-2024-21207
Published
Oct 15, 2024
Updated
Mar 13, 2025
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
CWE-400, T1499.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 13, 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=* <=8.0.38
  2. Affected versionversion=* <=8.4.1
  3. Affected versionversion=* <=9.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Serverversion=* <=8.0.38; version=* <=8.4.1; version=* <=9.0.1

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.

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
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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