CVE-2020-14821: Medium severity mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). 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: InnoDB). 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-2020-14821?
CVE-2020-14821 is classified as a high severity vulnerability due to its potential for exploitation by high privileged attackers.
How do I fix CVE-2020-14821?
To fix CVE-2020-14821, upgrade your MySQL Server to version 8.0.22 or later.
Which versions are affected by CVE-2020-14821?
CVE-2020-14821 affects MySQL Server versions 8.0.21 and earlier.
What components are involved in CVE-2020-14821?
The vulnerability affects the InnoDB component of the MySQL Server product.
Can CVE-2020-14821 be exploited remotely?
Yes, CVE-2020-14821 can be exploited remotely by attackers with network access.