CVE-2022-21270: Medium severity Oracle MySQL vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Federated). Supported versions that are affected are 5.7.36 and prior and 8.0.27 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/cpujan2022.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Federated). Supported versions that are affected are 5.7.36 and prior and 8.0.27 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 5.7.37 - Upgrade
Upgrade
redhat/mysqlto a version that resolves this vulnerability.Fixed in 8.0.28
Event History
Frequently Asked Questions
What is the vulnerability ID for this MySQL Server vulnerability?
The vulnerability ID for this MySQL Server vulnerability is CVE-2022-21270.
What is the severity level of CVE-2022-21270?
The severity level of CVE-2022-21270 is medium with a CVSS score of 4.9.
Which versions of Oracle MySQL are affected by this vulnerability?
The affected versions of Oracle MySQL are 5.7.36 and prior, and 8.0.27 and prior.
How can an attacker exploit CVE-2022-21270?
An attacker with high privileges and network access via multiple protocols can exploit CVE-2022-21270.
Is there a fix for CVE-2022-21270?
Yes, Oracle has released fixes for Oracle MySQL version 5.7.37 and 8.0.28.