CVE-2021-2213: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.22 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 8.0.22 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 8.0.23
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2213?
CVE-2021-2213 is categorized as an easily exploitable high severity vulnerability.
How do I fix CVE-2021-2213?
To fix CVE-2021-2213, upgrade your MySQL Server to version 8.0.23 or later.
What versions are affected by CVE-2021-2213?
CVE-2021-2213 affects MySQL Server version 8.0.22 and earlier.
Who can exploit CVE-2021-2213?
CVE-2021-2213 can be exploited by high privileged attackers with network access.
What component is affected by CVE-2021-2213?
CVE-2021-2213 affects the Optimizer component of the MySQL Server.