CVE-2022-21342: 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.
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. 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
Event History
Frequently Asked Questions
What is the severity of CVE-2022-21342?
CVE-2022-21342 is considered a high severity vulnerability due to its ability to be easily exploited by a high privileged attacker with network access.
How do I fix CVE-2022-21342?
To fix CVE-2022-21342, upgrade to MySQL version 8.0.28 or later.
What systems are affected by CVE-2022-21342?
CVE-2022-21342 affects MySQL Server versions 8.0.27 and prior.
Can CVE-2022-21342 be exploited remotely?
Yes, CVE-2022-21342 can be exploited remotely because it allows an attacker with network access to compromise MySQL Server.
What component of MySQL is impacted by CVE-2022-21342?
CVE-2022-21342 impacts the Optimizer component of the MySQL Server.