CVE-2021-2384: Medium severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.25 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:
http://www.oracle.com/security-alerts/cpujul2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.25 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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.26
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2384?
CVE-2021-2384 is classified as an easily exploitable vulnerability that allows a high-privileged attacker to compromise the MySQL Server.
How do I fix CVE-2021-2384?
To fix CVE-2021-2384, upgrade the MySQL Server to version 8.0.26 or later.
What versions are affected by CVE-2021-2384?
CVE-2021-2384 affects MySQL Server versions 8.0.25 and prior.
Who is at risk from CVE-2021-2384?
High-privileged attackers with network access via multiple protocols are at risk from CVE-2021-2384.
What components are involved in CVE-2021-2384?
CVE-2021-2384 involves the MySQL Server product specifically the Optimizer component.