CVE-2020-14539: Medium severity mysql vulnerability
Last updated 24 July 2024
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 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/cpujul2020.html#AppendixMSQL
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 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).
— Launchpad
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-14539?
CVE-2020-14539 is considered an easily exploitable vulnerability allowing low privileged attackers to compromise MySQL servers.
How do I fix CVE-2020-14539?
To fix CVE-2020-14539, upgrade MySQL to version 5.6.49, 5.7.31, or 8.0.21 or later.
What versions of MySQL are affected by CVE-2020-14539?
Affected versions of MySQL include 5.6.48 and prior, 5.7.30 and prior, and 8.0.20 and prior.
Who is impacted by CVE-2020-14539?
Users of vulnerable versions of MySQL Server who have a low privileged attacker with network access are impacted by CVE-2020-14539.
Is there a workaround for CVE-2020-14539?
There is no documented workaround for CVE-2020-14539; updating to a secure version is necessary.