CVE-2020-14846: 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
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2020-14846?
CVE-2020-14846 has been classified as an easily exploitable vulnerability affecting MySQL Server versions 8.0.21 and prior.
How do I fix CVE-2020-14846?
To remediate CVE-2020-14846, upgrade MySQL Server to version 8.0.22 or later.
Which MySQL versions are affected by CVE-2020-14846?
CVE-2020-14846 affects MySQL Server versions 8.0.21 and earlier.
Can low privileged attackers exploit CVE-2020-14846?
Yes, low privileged attackers with network access can exploit CVE-2020-14846.
Is CVE-2020-14846 mitigated by any configuration changes?
There are no known configuration changes that mitigate CVE-2020-14846; upgrading is necessary.