CVE-2020-14861: 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-2020-14861?
CVE-2020-14861 is considered an easily exploitable vulnerability that allows high privileged attackers to compromise MySQL Server.
How do I fix CVE-2020-14861?
To fix CVE-2020-14861, upgrade MySQL Server to version 8.0.22 or later.
Which versions of MySQL Server are affected by CVE-2020-14861?
CVE-2020-14861 affects MySQL Server versions 8.0.21 and prior.
Can CVE-2020-14861 be exploited remotely?
Yes, CVE-2020-14861 can be exploited remotely by an attacker with network access.
What components of MySQL are impacted by CVE-2020-14861?
CVE-2020-14861 impacts the Optimizer component of the MySQL Server product.