CVE-2021-2230: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.23 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/cpuapr2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.23 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
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.24
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2230?
CVE-2021-2230 is considered a high severity vulnerability that can be easily exploited by high privileged attackers.
How do I fix CVE-2021-2230?
To fix CVE-2021-2230, upgrade MySQL Server to version 8.0.24 or later.
Who is affected by CVE-2021-2230?
CVE-2021-2230 affects MySQL Server versions 8.0.23 and prior.
What type of access allows exploitation of CVE-2021-2230?
CVE-2021-2230 allows exploitation through high privileged user access with network capabilities via multiple protocols.
Are there any specific software components impacted by CVE-2021-2230?
CVE-2021-2230 specifically impacts the MySQL Server component of Oracle MySQL.