CVE-2021-2194
First published: Tue Apr 20 2021(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 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 | <5.7.34 | 5.7.34 |
| redhat/mysql | <8.0.24 | 8.0.24 |
| 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<=5.7.33 | |
| Oracle MySQL | >=8.0.0<=8.0.23 | |
| Fedora | =32 | |
| Fedora | =33 | |
| Fedora | =34 | |
| NetApp Active IQ Unified Manager for VMware vSphere | ||
| NetApp Active IQ Unified Manager | ||
| NetApp OnCommand Insight | ||
| NetApp OnCommand Workflow Automation | ||
| NetApp SnapCenter | ||
| MariaDB | >=10.2.0<10.2.35 | |
| MariaDB | >=10.3.0<10.3.26 | |
| MariaDB | >=10.4.0<10.4.16 | |
| MariaDB | >=10.5.0<10.5.7 |
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Reference Links
- https://www.oracle.com/security-alerts/cpuapr2021.html#AppendixMSQL
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1951794
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1951796
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1951795
- https://access.redhat.com/errata/RHSA-2020:5500
- https://access.redhat.com/errata/RHSA-2020:5654
- https://access.redhat.com/errata/RHSA-2020:5665
- https://access.redhat.com/errata/RHSA-2020:5663
- https://access.redhat.com/errata/RHSA-2020:5246
- https://access.redhat.com/security/cve/cve-2021-2194
- https://access.redhat.com/errata/RHSA-2021:3590
- https://access.redhat.com/errata/RHSA-2021:3811
- https://bugzilla.redhat.com/show_bug.cgi?id=1951764
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AKV7TRUEQW6EV45RSZVVFLVQMNHVHBCJ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JJQRPXNDH6YHQLUSCS5VA7DAW32PN7N7/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJVUTKKFQAWR7NURCQHQQ5JHTVYGEOYQ/
- https://security.netapp.com/advisory/ntap-20210513-0002/
- https://www.oracle.com/security-alerts/cpuapr2021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AKV7TRUEQW6EV45RSZVVFLVQMNHVHBCJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJVUTKKFQAWR7NURCQHQQ5JHTVYGEOYQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JJQRPXNDH6YHQLUSCS5VA7DAW32PN7N7/
Frequently Asked Questions
What is the severity of CVE-2021-2194?
CVE-2021-2194 is considered an easily exploitable vulnerability that allows a high privileged attacker to compromise MySQL Server.
How do I fix CVE-2021-2194?
To fix CVE-2021-2194, upgrade your MySQL version to 5.7.34 or later, or 8.0.24 or later.
Which MySQL versions are affected by CVE-2021-2194?
MySQL versions 5.7.33 and prior, and 8.0.23 and prior are affected by CVE-2021-2194.
What are the potential impacts of CVE-2021-2194?
CVE-2021-2194 can allow an attacker with network access to execute unauthorized commands or gain sensitive information from MySQL Server.
Is MariaDB affected by CVE-2021-2194?
Versions of MariaDB prior to 10.2.35, 10.3.26, 10.4.16, and 10.5.7 may also be vulnerable due to their reliance on MySQL components.
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