CVE-2020-14821
First published: Wed Oct 21 2020(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). 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 |
| Oracle MySQL | >=8.0.0<=8.0.21 | |
| NetApp Active IQ Unified Manager for VMware vSphere | ||
| NetApp Active IQ Unified Manager | ||
| NetApp OnCommand Insight | ||
| NetApp OnCommand Workflow Automation | ||
| NetApp SnapCenter |
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Reference Links
- https://security.gentoo.org/glsa/202105-27
- https://security.netapp.com/advisory/ntap-20201023-0003/
- https://www.oracle.com/security-alerts/cpuoct2020.html
- 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-2020-14821
- https://access.redhat.com/errata/RHSA-2021:3811
- https://bugzilla.redhat.com/show_bug.cgi?id=1890758
Frequently Asked Questions
What is the severity of CVE-2020-14821?
CVE-2020-14821 is classified as a high severity vulnerability due to its potential for exploitation by high privileged attackers.
How do I fix CVE-2020-14821?
To fix CVE-2020-14821, upgrade your MySQL Server to version 8.0.22 or later.
Which versions are affected by CVE-2020-14821?
CVE-2020-14821 affects MySQL Server versions 8.0.21 and earlier.
What components are involved in CVE-2020-14821?
The vulnerability affects the InnoDB component of the MySQL Server product.
Can CVE-2020-14821 be exploited remotely?
Yes, CVE-2020-14821 can be exploited remotely by attackers with network access.
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