CVE-2022-21351: High 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 low 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 low 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 7.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H).
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-21351?
CVE-2022-21351 is classified as a high severity vulnerability due to its exploitability by low privileged attackers.
How do I fix CVE-2022-21351?
To fix CVE-2022-21351, upgrade MySQL Server to version 8.0.28 or later.
How does CVE-2022-21351 affect MySQL Server?
CVE-2022-21351 allows attackers with low privileges and network access to compromise the MySQL Server.
Which versions of MySQL are affected by CVE-2022-21351?
MySQL Server versions 8.0.27 and prior are affected by CVE-2022-21351.
Is CVE-2022-21351 exploitable via the internet?
Yes, CVE-2022-21351 can be exploited by attackers with network access, including over the internet.