medium
4.9
Advisory Published
Updated

CVE-2020-14793

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 5.6.49 and prior, 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).

Credit: secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
redhat/mysql<5.6.50
5.6.50
redhat/mysql<5.7.32
5.7.32
redhat/mysql<8.0.22
8.0.22
Oracle MySQL>=5.6.0<=5.6.49
Oracle MySQL>=5.7.0<=5.7.31
Oracle MySQL>=8.0.0<=8.0.21
Netapp Active Iq Unified Manager Windows>=7.3
Netapp Active Iq Unified Manager Vmware Vsphere>=9.5
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
NetApp SnapCenter Server
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Fedoraproject Fedora=33

Remedy

https://www.oracle.com/security-alerts/cpuoct2020.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-14793?

    The severity of CVE-2020-14793 is medium with a CVSS score of 4.9.

  • Which versions of MySQL are affected by CVE-2020-14793?

    MySQL versions 5.6.49 and prior, 5.7.31 and prior, and 8.0.21 and prior are affected by CVE-2020-14793.

  • How can the vulnerability in MySQL Server be exploited?

    The vulnerability in MySQL Server can be exploited by a high privileged attacker with network access via multiple protocols.

  • Where can I find more information about CVE-2020-14793?

    You can find more information about CVE-2020-14793 at the following references: [Link 1](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GZU3PA5XJXNQ4C4F6435ARM6WKM3OZYR/), [Link 2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O7RVY2Z7HYQHFJXBGARXUAGKUDAWYPP4/), [Link 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVS6KNVBZCLZBKNJ5JA2PGAG3NTOJVH6/)

  • How do I fix the vulnerability in MySQL Server (CVE-2020-14793)?

    To fix the vulnerability in MySQL Server (CVE-2020-14793), update to the following versions: 5.6.50, 5.7.32, or 8.0.22.

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