CVE-2020-14836: 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 low 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 low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-14836?
CVE-2020-14836 is considered an easily exploitable vulnerability affecting MySQL Server versions 8.0.21 and prior.
How do I fix CVE-2020-14836?
To fix CVE-2020-14836, upgrade MySQL Server to version 8.0.22 or later.
Who is affected by CVE-2020-14836?
Users running MySQL Server versions 8.0.21 and earlier are affected by CVE-2020-14836.
Can CVE-2020-14836 be exploited remotely?
Yes, CVE-2020-14836 can be exploited by low privileged attackers with network access via multiple protocols.
What component of MySQL Server is vulnerable in CVE-2020-14836?
The vulnerability in CVE-2020-14836 affects the MySQL Server Optimizer component.