CVE-2022-21611

High-privilege server hang or repeated crash

Published Oct 18, 2022 · Updated Sep 24, 2024

Denial of service in Oracle MySQL Server 8.0.30 and earlier allows local users with high privileges to hang or repeatedly crash the server. Oracle identifies the affected component as InnoDB but has not published the operation or input that triggers the failure. Exploitation requires local access to the host and high MySQL privileges; the documented impact is limited to service availability.

CVSS severity4.1
Medium
EPSS probability0.44%
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 8.0.30 and earlier allows local users with high privileges to hang or repeatedly crash the server. Oracle identifies the affected component as InnoDB but has not published the operation or input that triggers the failure. Exploitation requires local access to the host and high MySQL privileges; the documented impact is limited to service availability.

The record

CVE
CVE-2022-21611
Published
Oct 18, 2022
Updated
Sep 24, 2024
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
T1499.004
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Oct 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 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=8.0.30 and prior

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Serverversion=8.0.30 and prior

Published CVSS scores

4.1Oracle CorporationCVSS:3.1/AV:L/AC:H/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)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

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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