CVE-2021-2070: 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 severity of CVE-2021-2070?
CVE-2021-2070 is rated as a high severity vulnerability that can result in a denial of service.
How do I fix CVE-2021-2070?
To fix CVE-2021-2070, upgrade affected Oracle MySQL Server products to version 8.0.23 or later.
Who is affected by CVE-2021-2070?
CVE-2021-2070 affects various versions of Oracle MySQL Server and IBM Guardium products.
What impact does CVE-2021-2070 have?
CVE-2021-2070 can lead to a high availability impact due to potential denial of service.
Is authentication required to exploit CVE-2021-2070?
Yes, an authenticated attacker can exploit CVE-2021-2070 to cause a denial of service.