CVE-2020-14794
First published: Wed Oct 21 2020(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 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).
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/mysql | <8.0.22 | 8.0.22 |
| MySQL | >=8.0.0<=8.0.21 | |
| netapp active iq unified manager windows | >=7.3 | |
| NetApp Active IQ Unified Manager for VMware vSphere | >=9.5 | |
| NetApp OnCommand Insight | ||
| NetApp OnCommand Workflow Automation | ||
| NetApp SnapCenter Server | ||
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 |
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Reference Links
- https://www.oracle.com/security-alerts/cpuoct2020.html#AppendixMSQL
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1890789
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1890790
- https://access.redhat.com/errata/RHSA-2021:3590
- https://access.redhat.com/security/cve/cve-2020-14794
- https://access.redhat.com/errata/RHSA-2021:3811
- https://bugzilla.redhat.com/show_bug.cgi?id=1890751
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GZU3PA5XJXNQ4C4F6435ARM6WKM3OZYR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O7RVY2Z7HYQHFJXBGARXUAGKUDAWYPP4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVS6KNVBZCLZBKNJ5JA2PGAG3NTOJVH6/
- https://security.gentoo.org/glsa/202105-27
- https://security.netapp.com/advisory/ntap-20201023-0003/
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O7RVY2Z7HYQHFJXBGARXUAGKUDAWYPP4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GZU3PA5XJXNQ4C4F6435ARM6WKM3OZYR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVS6KNVBZCLZBKNJ5JA2PGAG3NTOJVH6/
Frequently Asked Questions
What is CVE-2020-14794?
CVE-2020-14794 is a vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).
What versions of MySQL Server are affected by CVE-2020-14794?
Versions 8.0.21 and prior of MySQL Server are affected by CVE-2020-14794.
How severe is CVE-2020-14794?
CVE-2020-14794 has a severity level of 4.9 (medium).
How can a high privileged attacker exploit CVE-2020-14794?
A high privileged attacker with network access via multiple protocols can exploit CVE-2020-14794 to compromise MySQL Server.
How can I fix CVE-2020-14794?
To fix CVE-2020-14794, update MySQL Server to version 8.0.22 or higher.
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