CVE-2022-21301Network attack vector

Data modification and database service interruption

Published Jan 19, 2022 · Updated Sep 24, 2024

Undisclosed DML flaw in Oracle MySQL Server 8.0.27 and earlier allows remote authenticated users to alter data or crash the server. Oracle identifies the affected locus only as Server DML and has not published the crafted statement, code path, or incorrect operation that triggers the flaw. Exploitation requires a high-privilege account with MySQL-protocol network access and can update, insert, or delete accessible data or repeatedly crash the database service.

CVSS severity5.5
Medium
EPSS probability1.60%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Undisclosed DML flaw in Oracle MySQL Server 8.0.27 and earlier allows remote authenticated users to alter data or crash the server. Oracle identifies the affected locus only as Server DML and has not published the crafted statement, code path, or incorrect operation that triggers the flaw. Exploitation requires a high-privilege account with MySQL-protocol network access and can update, insert, or delete accessible data or repeatedly crash the database service.

The record

CVE
CVE-2022-21301
Published
Jan 19, 2022
Updated
Sep 24, 2024
Vendor
Oracle Corporation
Product
MySQL Server
Classifications
T1499, T1565.001
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 19, 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=8.0.27 and prior

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · MySQL Serverversion=8.0.27 and prior

Published CVSS scores

5.5OracleCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
5.5NIST NVDAV:N/AC:L/Au:S/C:N/I:P/A:P

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

T1499Endpoint Denial of Service
T1565.001Stored Data Manipulation

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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