CVE-2020-14550: Medium severity Oracle MySQL vulnerability

Published Jul 15, 2020
·
Updated

Last updated 24 July 2024

Other sources

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client.

External References:

https://www.oracle.com/security-alerts/cpujul2020.html#AppendixMSQL

Red Hat

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).

Launchpad

Affected Software

26 affected componentsFixes available
redhat/mysql<5.6.49
5.6.49
redhat/mysql<5.7.31
5.7.31
redhat/mysql<8.0.21
8.0.21
redhat/mariadb<5.5.61
5.5.61
redhat/mariadb<10.0.35
10.0.35
redhat/mariadb<10.1.33
10.1.33
redhat/mariadb<10.2.15
10.2.15
redhat/mariadb-connector-c<3.0.5
3.0.5
debian/mysql-5.7
Oracle MySQL>=5.6.0<=5.6.48
Oracle MySQL>=5.7.0<=5.7.30
Oracle MySQL>=8.0.0<=8.0.20
NetApp Active Iq Unified Manager Vmware Vsphere
NetApp Active Iq Unified Manager Windows
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
MariaDB MariaDB>=5.5.0<5.5.61
MariaDB MariaDB>=10.0.0<10.0.35
MariaDB MariaDB>=10.1.0<10.1.33
MariaDB MariaDB>=10.2.0<10.2.15

Event History

Jul 15, 2020
CVE Published
via MITRE·05:34 PM
Data Sourced
via MITRE·05:34 PM
DescriptionSeverityWeakness
Aug 4, 2020
Data Sourced
via Red Hat·03:16 PM
DescriptionSeverityAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:40 PM
Description
Sep 13, 2024
Data Sourced
via Ubuntu·01:07 PM
RemedyDescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2020-14550?

CVE-2020-14550 is rated as a low severity vulnerability that is difficult to exploit.

2

How do I fix CVE-2020-14550?

To fix CVE-2020-14550, update your MySQL Client product to version 5.6.49, 5.7.31, or 8.0.21.

3

Which versions of MySQL are affected by CVE-2020-14550?

CVE-2020-14550 affects MySQL versions 5.6.48 and prior, 5.7.30 and prior, and 8.0.20 and prior.

4

Can MariaDB be affected by CVE-2020-14550?

Yes, certain versions of MariaDB such as 5.5.61, 10.0.35, 10.1.33, and 10.2.15 are also affected by CVE-2020-14550.

5

Is it safe to use MySQL after addressing CVE-2020-14550?

Once you update to a non-vulnerable version, using MySQL is considered safe regarding CVE-2020-14550.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203