CVE-2023-21945: Medium severity oracle mysql vulnerability
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).
Other sources
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.
External References:
https://www.oracle.com/security-alerts/cpuapr2023.html#AppendixMSQL
— Red Hat
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-21945.
What is the title of the vulnerability?
The vulnerability is titled 'Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).'
What is the severity of CVE-2023-21945?
The severity of CVE-2023-21945 is medium, with a CVSS score of 4.9.
What versions of MySQL Server are affected by CVE-2023-21945?
Versions 8.0.32 and prior of MySQL Server are affected by CVE-2023-21945.
How can an attacker exploit CVE-2023-21945?
An attacker with high privileges and network access via multiple protocols can exploit CVE-2023-21945 to compromise MySQL Server.