CVE-2020-14891: 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-2020-14891?
CVE-2020-14891 is considered a high severity vulnerability due to its potential for exploitation by a privileged attacker.
How do I fix CVE-2020-14891?
To fix CVE-2020-14891, upgrade your MySQL Server to version 8.0.22 or later.
Who is affected by CVE-2020-14891?
CVE-2020-14891 affects MySQL Server versions 8.0.21 and prior.
What type of vulnerability is CVE-2020-14891?
CVE-2020-14891 is an easily exploitable vulnerability that allows attackers with high privileges to compromise the MySQL Server.
Can CVE-2020-14891 be exploited remotely?
Yes, CVE-2020-14891 can be exploited remotely by attackers with network access via multiple protocols.