CVE-2021-2036: 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-2021-2036?
CVE-2021-2036 has a high severity rating due to its potential to cause a denial of service.
How do I fix CVE-2021-2036?
To fix CVE-2021-2036, update Oracle MySQL Server to version 8.0.23 or later.
Which software versions are affected by CVE-2021-2036?
CVE-2021-2036 affects Oracle MySQL versions up to 8.0.22 and various IBM Security Guardium versions.
Can CVE-2021-2036 be exploited remotely?
CVE-2021-2036 requires authentication, meaning an attacker must have valid credentials to exploit it.
Is there a risk of data loss due to CVE-2021-2036?
CVE-2021-2036 primarily impacts availability, but it does not explicitly indicate a risk of data loss.