CVE-2022-21526: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.29 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/cpujul2022.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.29 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).
— MITRE
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID for this MySQL Server vulnerability?
The vulnerability ID for this MySQL Server vulnerability is CVE-2022-21526.
What is the severity of CVE-2022-21526?
The severity of CVE-2022-21526 is medium (4.9).
What versions of MySQL Server are affected by CVE-2022-21526?
The versions 8.0.29 and prior of MySQL Server are affected by CVE-2022-21526.
How can an attacker exploit CVE-2022-21526?
An attacker with network access via multiple protocols can exploit CVE-2022-21526 to compromise MySQL Server.
Is there a fix available for CVE-2022-21526?
Yes, a fix is available for CVE-2022-21526. Users should update to version 8.0.30 of MySQL Server.