CVE-2023-22092Network attack vector

Authenticated server hang or repeatable crash

Published Oct 17, 2023 · Updated Feb 13, 2025

Denial of service in the Server Optimizer in Oracle MySQL Server 8.0.34 and earlier allows remote authenticated users to crash the server. Oracle has not published the optimizer locus or the incorrect operation that processes attacker-controlled SQL. A high-privileged account and MySQL Protocol access are required; exploitation causes a hang or frequently repeatable crash.

CVSS severity4.9
Medium
EPSS probability0.92%
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 the Server Optimizer in Oracle MySQL Server 8.0.34 and earlier allows remote authenticated users to crash the server. Oracle has not published the optimizer locus or the incorrect operation that processes attacker-controlled SQL. A high-privileged account and MySQL Protocol access are required; exploitation causes a hang or frequently repeatable crash.

The record

CVE
CVE-2023-22092
Published
Oct 17, 2023
Updated
Feb 13, 2025
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 17, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 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=* <=8.0.34

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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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