CVE-2021-35647: Medium severity oracle mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 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:
http://www.oracle.com/security-alerts/cpuoct2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 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-2021-35647?
CVE-2021-35647 has a severity rating of high due to its potential for exploitation by a privileged attacker.
How do I fix CVE-2021-35647?
To mitigate CVE-2021-35647, upgrade to MySQL Server version 8.0.27 or later.
What versions of MySQL are affected by CVE-2021-35647?
CVE-2021-35647 affects MySQL Server versions 8.0.26 and earlier.
Can CVE-2021-35647 be exploited remotely?
Yes, CVE-2021-35647 can be exploited remotely by a high privileged attacker with network access.
Which component of MySQL Server does CVE-2021-35647 impact?
CVE-2021-35647 impacts the Optimizer component of MySQL Server.