CVE-2021-2300: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). 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: DML). 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-2021-2300?
CVE-2021-2300 is classified as a high severity vulnerability.
How do I fix CVE-2021-2300?
To remediate CVE-2021-2300, upgrade MySQL Server to version 8.0.24 or later.
What versions of MySQL are affected by CVE-2021-2300?
CVE-2021-2300 affects MySQL Server versions 8.0.23 and prior.
Who is impacted by CVE-2021-2300?
High privileged attackers with network access can exploit CVE-2021-2300 affecting MySQL Server.
What components of MySQL Server are impacted by CVE-2021-2300?
CVE-2021-2300 impacts the Server: DML component of the MySQL Server product.