CVE-2022-21556: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.28 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 creation, deletion or modification access to critical data or all MySQL Server accessible data and 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 8.0.28 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 creation, deletion or modification access to critical data or all MySQL Server accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H).
— MITRE
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2022-21556.
What is the affected software for CVE-2022-21556?
The affected software for CVE-2022-21556 is Oracle MySQL Server 8.0.28 and prior.
What is the severity of CVE-2022-21556?
The severity of CVE-2022-21556 is medium (CVSS score: 6.5).
How can an attacker exploit CVE-2022-21556?
An attacker can exploit CVE-2022-21556 by using network access via multiple protocols to compromise MySQL Server.
Is there a fix available for CVE-2022-21556?
Yes, a fix is available for CVE-2022-21556. Upgrade to version 8.0.29 of Oracle MySQL Server.