medium
6.8
Advisory Published
Updated

CVE-2021-2020

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
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<=8.0.20
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-2021-2020?

    CVE-2021-2020 has a high severity rating due to its potential to cause denial of service impacting high availability.

  • Who is affected by CVE-2021-2020?

    CVE-2021-2020 affects specific versions of Oracle MySQL Server, IBM Security Guardium, and certain NetApp products.

  • How do I fix CVE-2021-2020?

    To mitigate CVE-2021-2020, users should apply appropriate patches or updates provided by their respective software vendors.

  • What type of impact does CVE-2021-2020 have?

    CVE-2021-2020 can lead to a high availability impact due to denial of service attacks.

  • Is CVE-2021-2020 exploitable remotely?

    The details of CVE-2021-2020 suggest it requires authenticated access for exploitation.

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