CVE-2022-21527: 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data.
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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
— MITRE
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-21527.
What is the severity of CVE-2022-21527?
The severity of CVE-2022-21527 is medium (5.5).
Which versions of Oracle MySQL Server are affected by CVE-2022-21527?
Oracle MySQL Server versions 8.0.29 and prior are affected by CVE-2022-21527.
How can a high privileged attacker exploit CVE-2022-21527?
A high privileged attacker with network access via multiple protocols can compromise MySQL Server through CVE-2022-21527.
How do I fix CVE-2022-21527 in MySQL Server?
To fix CVE-2022-21527 in MySQL Server, upgrade to version 8.0.30.