CVE-2021-2031: 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-2021-2031?
CVE-2021-2031 is classified as a high severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2021-2031?
To mitigate CVE-2021-2031, upgrade the affected Oracle MySQL Server to version 8.0.23 or later.
Who is affected by CVE-2021-2031?
CVE-2021-2031 affects users of Oracle MySQL Server version 8.0.22 and earlier, as well as certain IBM Security Guardium versions.
What type of impacts can CVE-2021-2031 cause?
CVE-2021-2031 can result in a denial of service, impacting the availability of the affected MySQL Server.
Is authentication required to exploit CVE-2021-2031?
Yes, an authenticated attacker can exploit CVE-2021-2031 to trigger the vulnerability.