CVE-2020-14830: 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-2020-14830?
CVE-2020-14830 is classified as a high severity vulnerability that can be exploited by low privileged attackers.
How do I fix CVE-2020-14830?
To mitigate CVE-2020-14830, upgrade MySQL Server to version 8.0.22 or later.
What versions of MySQL are affected by CVE-2020-14830?
CVE-2020-14830 affects MySQL Server versions 8.0.21 and prior.
Can CVE-2020-14830 be exploited remotely?
Yes, CVE-2020-14830 can be exploited remotely by low privileged attackers with network access.
What components of MySQL are impacted by CVE-2020-14830?
CVE-2020-14830 impacts the Optimizer component of the MySQL Server product.