CVE-2021-2030: 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 8.0.21 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 8.0.21 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-2021-2030?
CVE-2021-2030 is classified as a high severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2021-2030?
To fix CVE-2021-2030, upgrade to MySQL Server version 8.0.22 or later.
Which products are affected by CVE-2021-2030?
CVE-2021-2030 affects multiple products including Oracle MySQL Server and several versions of IBM InfoSphere Guardium.
Can CVE-2021-2030 be exploited remotely?
CVE-2021-2030 requires authentication, but exact attack vectors are unspecified.
What impact does CVE-2021-2030 have on systems?
The impact of CVE-2021-2030 can lead to high availability issues due to potential denial of service.