CVE-2020-2579: Medium severity Oracle MySQL vulnerability
Last updated 18 August 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 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/cpujan2020.html
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.6.46 and prior, 5.7.28 and prior and 8.0.18 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 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.6.47 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 5.7.29 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.19 - Upgrade
Upgrade
Oracle MySQL Server (Optimizer)to a version that resolves this vulnerability.Fixed in 5.6.46 - Upgrade
Upgrade
Oracle MySQL Server (Optimizer)to a version that resolves this vulnerability.Fixed in 5.7.28 - Upgrade
Upgrade
Oracle MySQL Server (Optimizer)to a version that resolves this vulnerability.Fixed in 8.0.18
Event History
Frequently Asked Questions
What is the severity of CVE-2020-2579?
CVE-2020-2579 is categorized as an easily exploitable vulnerability, affecting specific versions of MySQL Server.
How do I fix CVE-2020-2579?
To remediate CVE-2020-2579, upgrade affected MySQL Server versions to at least 5.6.47, 5.7.29, or 8.0.19.
Which MySQL versions are vulnerable to CVE-2020-2579?
The vulnerable MySQL versions are 5.6.46 and prior, 5.7.28 and prior, and 8.0.18 and prior.
What type of attacker can exploit CVE-2020-2579?
CVE-2020-2579 can be exploited by low privileged attackers with network access.
Is there a workaround for CVE-2020-2579?
No official workaround is available for CVE-2020-2579; upgrading to secure versions is the recommended action.