medium
4.9
Advisory Published
CVE Published
Updated

CVE-2023-21920

First published: Tue Apr 18 2023(Updated: )

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.32 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 secalert_us@oracle.com secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
ubuntu/mysql-8.0<8.0.33-0ubuntu0.20.04.1
8.0.33-0ubuntu0.20.04.1
ubuntu/mysql-8.0<8.0.33-0ubuntu0.22.04.1
8.0.33-0ubuntu0.22.04.1
ubuntu/mysql-8.0<8.0.33-0ubuntu0.22.10.1
8.0.33-0ubuntu0.22.10.1
ubuntu/mysql-8.0<8.0.33-0ubuntu0.23.04.1
8.0.33-0ubuntu0.23.04.1
ubuntu/mysql-8.0<8.0.33
8.0.33
debian/mysql-8.0<=8.0.32-1
Oracle Mysql Server>=8.0.0<=8.0.32
redhat/mysql<8.0.33
8.0.33
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Fedoraproject Fedora=39
Netapp Active Iq Unified Manager Vmware Vsphere
Netapp Active Iq Unified Manager Windows
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
Netapp Snapcenter

Remedy

https://www.oracle.com/security-alerts/cpuapr2023.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-21920?

    The severity of CVE-2023-21920 is medium with a CVSS score of 4.9.

  • How can a high privileged attacker exploit CVE-2023-21920?

    A high privileged attacker can exploit CVE-2023-21920 by gaining network access via multiple protocols to compromise MySQL Server.

  • Which versions of Oracle MySQL are affected by CVE-2023-21920?

    The supported versions of Oracle MySQL that are affected by CVE-2023-21920 are 8.0.32 and prior.

  • Is there a remedy for CVE-2023-21920?

    Yes, there are specific versions of Ubuntu and Debian that provide a remedy for CVE-2023-21920.

  • Where can I find more information about CVE-2023-21920?

    You can find more information about CVE-2023-21920 at the following references: [link1](https://www.oracle.com/security-alerts/cpuapr2023.html), [link2](https://security.netapp.com/advisory/ntap-20230427-0007/), [link3](https://launchpad.net/bugs/cve/CVE-2023-21920).

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