CVE-2023-21866
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 8.0.28 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<=8.0.28 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2023-21866.
What is the affected software?
The affected software is Oracle MySQL Server version 8.0.28 and prior.
What is the severity of CVE-2023-21866?
The severity of CVE-2023-21866 is medium with a CVSS score of 4.9.
How can this vulnerability be exploited?
This vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.
How can I fix CVE-2023-21866?
To fix CVE-2023-21866, it is recommended to upgrade Oracle MySQL Server to version 8.0.29 or later.
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