high
7.1
Advisory Published
Updated

CVE-2021-2011

First published: Wed Jan 20 2021(Updated: )

An unspecified vulnerability in Oracle MySQL Client related to the C API component could allow an unauthenticated 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<5.7.33
5.7.33
redhat/mysql<8.0.23
8.0.23
redhat/mariadb-connector-c<3.0.5
3.0.5
redhat/mariadb<5.5.61
5.5.61
redhat/mariadb<10.2.15
10.2.15
redhat/mariadb<10.1.33
10.1.33
redhat/mariadb<10.0.35
10.0.35
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
MySQL>=5.7.0<=5.7.32
MySQL>=8.0.0<=8.0.22
Fedora=32
Fedora=33
NetApp Active IQ Unified Manager for VMware vSphere
netapp active iq unified manager windows
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
Ariadne CMS>=5.5.0<5.5.61
Ariadne CMS>=10.0.0<10.0.35
Ariadne CMS>=10.1.0<10.1.33
Ariadne CMS>=10.2.0<10.2.15

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-2011?

    CVE-2021-2011 has a high severity rating due to its potential to cause denial of service.

  • How do I fix CVE-2021-2011?

    To mitigate CVE-2021-2011, upgrade to MySQL 5.7.33 or higher, MySQL 8.0.23 or higher, or relevant patched versions of MariaDB.

  • Which software is affected by CVE-2021-2011?

    CVE-2021-2011 affects Oracle MySQL Client C API and certain versions of MariaDB and IBM Security Guardium.

  • Can CVE-2021-2011 be exploited remotely?

    Yes, CVE-2021-2011 could potentially be exploited by unauthenticated remote attackers.

  • What impact does CVE-2021-2011 have on availability?

    CVE-2021-2011 could result in a denial of service, significantly impacting the availability of affected systems.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203