CVE-2021-2305: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). 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.
External References:
https://www.oracle.com/security-alerts/cpuapr2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). 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. 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 8.0.24
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2305?
CVE-2021-2305 has a high severity rating due to its potential for exploitation by attackers with high privileges.
How do I fix CVE-2021-2305?
To fix CVE-2021-2305, upgrade your MySQL Server to version 8.0.24 or later.
Which MySQL versions are affected by CVE-2021-2305?
CVE-2021-2305 affects MySQL Server versions 8.0.23 and prior.
Who can exploit CVE-2021-2305?
CVE-2021-2305 can be exploited by high privileged attackers with network access via multiple protocols.
What component of MySQL is affected by CVE-2021-2305?
CVE-2021-2305 affects the MySQL Server component, specifically the DML functionality.