medium
6.8
Advisory Published
Updated

CVE-2021-2021

First published: Wed Jan 20 2021(Updated: )

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.

Credit: secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
redhat/mysql<8.0.23
8.0.23
IBM InfoSphere Guardium z/OS<=10.5
IBM InfoSphere Guardium z/OS<=10.6
IBM InfoSphere Guardium z/OS<=11.0
IBM InfoSphere Guardium z/OS<=11.1
IBM InfoSphere Guardium z/OS<=11.2
IBM InfoSphere Guardium z/OS<=11.3
Oracle MySQL>=8.0.0<=8.0.22
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
NetApp SnapCenter
Fedora=32
Fedora=33

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-2021?

    CVE-2021-2021 has been classified as a denial of service vulnerability that impacts the availability of Oracle MySQL Server.

  • How do I fix CVE-2021-2021?

    To mitigate CVE-2021-2021, upgrade Oracle MySQL Server to version 8.0.23 or a later release.

  • What software versions are affected by CVE-2021-2021?

    CVE-2021-2021 affects multiple versions of Oracle MySQL and the IBM Security Guardium products up to specific versions.

  • Who can exploit CVE-2021-2021?

    CVE-2021-2021 can be exploited by authenticated attackers to cause a denial of service.

  • What components are impacted by CVE-2021-2021?

    CVE-2021-2021 affects the Server: Optimizer component of Oracle MySQL.

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