CVE-2020-14776: Medium severity mysql vulnerability

Published Oct 21, 2020
·
Updated

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.31 and prior and 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/cpuoct2020.html#AppendixMSQL

Other sources

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.31 and prior and 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

17 affected componentsFixes available
redhat/mysql<5.7.32
5.7.32
redhat/mysql<8.0.22
8.0.22
redhat/mariadb<10.5.7
10.5.7
redhat/mariadb<10.4.16
10.4.16
redhat/mariadb<10.3.26
10.3.26
redhat/mariadb<10.2.35
10.2.35
Oracle MySQL>=5.7.0<=5.7.31
Oracle MySQL>=8.0.0<=8.0.21
NetApp OnCommand Insight
NetApp Snapcenter
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Fedoraproject Fedora=33
MariaDB MariaDB>=10.2.0<10.2.35
MariaDB MariaDB>=10.3.0<10.3.26
MariaDB MariaDB>=10.4.0<10.4.16
MariaDB MariaDB>=10.5.0<10.5.7

Event History

Oct 21, 2020
CVE Published
via MITRE·02:04 PM
Data Sourced
via MITRE·02:04 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2020-14776?

CVE-2020-14776 is considered a high severity vulnerability due to its exploitability by high privileged attackers.

2

How do I fix CVE-2020-14776?

To fix CVE-2020-14776, upgrade MySQL to version 5.7.32 or later, or 8.0.22 or later.

3

Which software versions are affected by CVE-2020-14776?

CVE-2020-14776 affects MySQL Server versions 5.7.31 and prior, and 8.0.21 and prior.

4

Can CVE-2020-14776 be exploited remotely?

Yes, CVE-2020-14776 can be easily exploited by an attacker with network access to the MySQL Server.

5

What component is impacted by CVE-2020-14776?

CVE-2020-14776 impacts the InnoDB component of the Oracle MySQL Server product.

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