CVE-2020-14809: Medium severity mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.21 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/cpuoct2020.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.21 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-2020-14809?
CVE-2020-14809 has a high severity rating due to its ease of exploitation and impact on MySQL Server.
How do I fix CVE-2020-14809?
To address CVE-2020-14809, upgrade the MySQL Server to version 8.0.22 or later.
Which versions of MySQL are affected by CVE-2020-14809?
CVE-2020-14809 affects MySQL Server versions 8.0.21 and prior.
What type of attacker can exploit CVE-2020-14809?
A high privileged attacker with network access via multiple protocols can exploit CVE-2020-14809.
What component of MySQL Server does CVE-2020-14809 impact?
CVE-2020-14809 impacts the MySQL Server component related to the optimizer.