CVE-2021-2164: Medium severity 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
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2164?
CVE-2021-2164 has a high severity rating due to its potential impact on MySQL Server security.
How do I fix CVE-2021-2164?
To fix CVE-2021-2164, upgrade MySQL Server to version 8.0.24 or later.
Who is affected by CVE-2021-2164?
CVE-2021-2164 affects users of MySQL Server versions 8.0.23 and prior.
What type of vulnerability is CVE-2021-2164?
CVE-2021-2164 is an easily exploitable vulnerability that allows a high privileged attacker to compromise MySQL Server.
What components of MySQL does CVE-2021-2164 impact?
CVE-2021-2164 impacts the Server: Optimizer component of MySQL Server.