CVE-2021-2065: Medium severity ibm infosphere guardium z/os vulnerability
An unspecified vulnerability in Oracle MySQL Server related to the Server: Optimizer component could allow an authenticated attacker to cause a denial of service resulting in a high availability impact using unknown attack vectors.
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.22 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/cpujan2021.html#AppendixMSQL
— Red Hat
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.22 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 vulnerability ID of this MySQL Server vulnerability?
The vulnerability ID of this MySQL Server vulnerability is CVE-2021-2065.
Which component of MySQL Server is affected by this vulnerability?
This vulnerability affects the Server: Optimizer component of MySQL Server.
What is the severity rating of CVE-2021-2065?
The severity rating of CVE-2021-2065 is 4.9 (medium).
Which versions of MySQL Server are affected by this vulnerability?
The versions 8.0.22 and prior of MySQL Server are affected by this vulnerability.
How can this vulnerability be exploited?
This vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise MySQL Server.
What is the recommended remedy for this vulnerability?
The recommended remedy for this vulnerability is to update MySQL Server to version 8.0.23.
Are there any other software products affected by this vulnerability?
Yes, NetApp OnCommand Insight, NetApp OnCommand Workflow Automation, Netapp Snapcenter, and IBM Security Guardium versions 10.5 to 11.3 are also affected by this vulnerability.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability at the following references: [IBM X-Force Exchange](https://exchange.xforce.ibmcloud.com/vulnerabilities/195164), [IBM Security Guardium support](https://www.ibm.com/support/pages/node/6455269), and [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2021.html#AppendixMSQL).