What is the vulnerability ID?

The vulnerability ID is CVE-2023-21864.

Which versions of Oracle MySQL are affected?

Versions 8.0.30 and prior of Oracle MySQL are affected.

What is the severity of the vulnerability?

The severity of the vulnerability is medium, with a severity value of 4.9.

Where can I find more information about the vulnerability?

You can find more information about the vulnerability at the following link: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2023.html)

Vulnerability/
CVE-2023-21864

medium

4.9

17/1/2023

17/9/2024

CVE-2023-21864

Q: What is the title of the vulnerability?

The title of the vulnerability is "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)."

Q: How can the vulnerability be exploited?

The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.

First published: Tue Jan 17 2023(Updated: )

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.30 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Credit: secalert_us@oracle.com

Affected Software	Affected Version	How to fix
Oracle Mysql Server	>=8.0.0<=8.0.30

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Reference Links

https://www.oracle.com/security-alerts/cpujan2023.html

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2023-21864.
What is the title of the vulnerability?
The title of the vulnerability is "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)."
Which versions of Oracle MySQL are affected?
Versions 8.0.30 and prior of Oracle MySQL are affected.
How can the vulnerability be exploited?
The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.
What is the severity of the vulnerability?
The severity of the vulnerability is medium, with a severity value of 4.9.
Where can I find more information about the vulnerability?
You can find more information about the vulnerability at the following link: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2023.html)

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agent/severity
agent/references
agent/author
agent/description
agent/type
agent/event
agent/softwarecombine
agent/last-modified-date
agent/first-publish-date
agent/tags
collector/mitre-cve
source/MITRE
vendor/oracle
canonical/oracle mysql server
version/oracle mysql server/8.0.0
version/oracle mysql server/8.0.30

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