CVE-2023-21879
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 |
|---|---|---|
| MySQL | >=8.0<=8.0.31 |
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Reference Links
Frequently Asked Questions
What is CVE-2023-21879?
CVE-2023-21879 is a vulnerability in the MySQL Server product of Oracle MySQL, affecting versions 8.0.31 and prior.
How severe is CVE-2023-21879?
CVE-2023-21879 has a severity rating of medium, with a CVSS score of 4.9.
How can CVE-2023-21879 be exploited?
CVE-2023-21879 is easily exploitable by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.
Which versions of Oracle MySQL are affected by CVE-2023-21879?
Versions 8.0.31 and prior of Oracle MySQL are affected by CVE-2023-21879.
How can I fix CVE-2023-21879?
To fix CVE-2023-21879, update to a version of Oracle MySQL that is higher than 8.0.31.
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