CVE-2020-14777: 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
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2020-14777?
CVE-2020-14777 is considered an easily exploitable vulnerability that allows a high privileged attacker to compromise MySQL Server.
How do I fix CVE-2020-14777?
To fix CVE-2020-14777, upgrade to MySQL Server version 8.0.22 or later.
Which versions of MySQL are affected by CVE-2020-14777?
CVE-2020-14777 affects MySQL Server versions 8.0.21 and prior.
Can CVE-2020-14777 be exploited remotely?
Yes, CVE-2020-14777 can be exploited remotely by an attacker with network access.
What components of MySQL Server are impacted by CVE-2020-14777?
CVE-2020-14777 impacts the Server: Optimizer component of MySQL Server.