medium
4.9
Advisory Published
Updated

CVE-2023-21955

First published: Tue Apr 18 2023(Updated: )

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Partition). 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 CVE-2023-21955?

    CVE-2023-21955 is a vulnerability in the MySQL Server product of Oracle MySQL.

  • How severe is CVE-2023-21955?

    CVE-2023-21955 has a severity rating of 4.9, which is considered medium.

  • What versions of MySQL Server are affected by CVE-2023-21955?

    The affected versions of MySQL Server are 8.0.32 and prior.

  • How can an attacker exploit CVE-2023-21955?

    An attacker with high privileges and network access via multiple protocols can exploit CVE-2023-21955.

  • Are there any patches available for CVE-2023-21955?

    Yes, patches are available for CVE-2023-21955. For Ubuntu, version 8.0.33-0ubuntu0.20.04.1 and later are patched. Other patches may be available from different sources.

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