CVE-2020-14867: Medium severity mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Difficult to exploit 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: DDL). Supported versions that are affected are 5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/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-2020-14867?
CVE-2020-14867 has a high severity rating due to its potential to allow high privileged attackers network access.
Which MySQL versions are affected by CVE-2020-14867?
CVE-2020-14867 affects MySQL versions 5.6.49 and prior, 5.7.31 and prior, and 8.0.21 and prior.
How do I fix CVE-2020-14867?
To address CVE-2020-14867, upgrade MySQL to version 5.6.50, 5.7.32, or 8.0.22 as applicable.
How can CVE-2020-14867 be exploited?
CVE-2020-14867 can be exploited remotely by an attacker with high privileges using various network protocols.
Is there a workaround for CVE-2020-14867?
There are no known workarounds for CVE-2020-14867; updating to a secure version is recommended.