What is the vulnerability ID?

The vulnerability ID is CVE-2023-21863.

What is the severity of CVE-2023-21863?

The severity of CVE-2023-21863 is medium.

What versions of MySQL Server are affected?

The affected versions of MySQL Server are 8.0.31 and prior.

How can a high privileged attacker exploit CVE-2023-21863?

A high privileged attacker with network access via multiple protocols can exploit CVE-2023-21863 to compromise MySQL Server.

Is there a reference link for more information?

Yes, you can find more information about CVE-2023-21863 at the following link: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2023.html)

Vulnerability/
CVE-2023-21863

medium

4.9

17/1/2023

17/9/2024

CVE-2023-21863

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).'

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 8.0.31 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<=8.0.31

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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-2023-21863.
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).'
What is the severity of CVE-2023-21863?
The severity of CVE-2023-21863 is medium.
What versions of MySQL Server are affected?
The affected versions of MySQL Server are 8.0.31 and prior.
How can a high privileged attacker exploit CVE-2023-21863?
A high privileged attacker with network access via multiple protocols can exploit CVE-2023-21863 to compromise MySQL Server.
Is there a reference link for more information?
Yes, you can find more information about CVE-2023-21863 at the following link: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2023.html)

collector/nvd-index
agent/severity
agent/references
agent/author
agent/event
agent/type
agent/description
agent/last-modified-date
agent/softwarecombine
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/8.0.31

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