CVE-2021-2304: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 8.0.23 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data.
External References:
https://www.oracle.com/security-alerts/cpuapr2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 8.0.23 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/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 8.0.24
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2304?
CVE-2021-2304 is considered a critical severity vulnerability allowing high privileged network access to compromise MySQL Server.
How do I fix CVE-2021-2304?
To fix CVE-2021-2304, upgrade MySQL Server to version 8.0.24 or later.
Which versions of MySQL are affected by CVE-2021-2304?
CVE-2021-2304 affects MySQL Server versions 8.0.23 and prior.
Can CVE-2021-2304 be exploited remotely?
Yes, CVE-2021-2304 can be easily exploited by an attacker with network access.
Is CVE-2021-2304 related to any specific MySQL component?
CVE-2021-2304 is specifically related to the Stored Procedure component of MySQL Server.