CVE-2022-21378: Medium severity oracle mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data.
External References:
https://www.oracle.com/security-alerts/cpujan2022.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 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 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
Event History
Frequently Asked Questions
What is the severity of CVE-2022-21378?
CVE-2022-21378 is classified as easily exploitable with potential high impact on MySQL Server.
How do I fix CVE-2022-21378?
To fix CVE-2022-21378, upgrade MySQL Server to version 8.0.28 or later.
Which versions of MySQL are affected by CVE-2022-21378?
CVE-2022-21378 affects MySQL Server versions 8.0.27 and earlier.
Can CVE-2022-21378 be exploited remotely?
Yes, CVE-2022-21378 can be exploited by a high-privileged attacker with network access to MySQL Server.
What component of MySQL Server does CVE-2022-21378 affect?
CVE-2022-21378 affects the optimizer component of MySQL Server.