CVE-2021-2178
First published: Tue Apr 20 2021(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Replication). Supported versions that are affected are 5.7.32 and prior and 8.0.22 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Credit: secalert_us@oracle.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/mysql | <5.7.33 | 5.7.33 |
| redhat/mysql | <8.0.23 | 8.0.23 |
| Oracle MySQL | >=5.7.0<=5.7.32 | |
| Oracle MySQL | >=8.0.0<=8.0.22 | |
| 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 |
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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-2021:3590
- https://access.redhat.com/security/cve/cve-2021-2178
- https://access.redhat.com/errata/RHSA-2021:3811
- https://bugzilla.redhat.com/show_bug.cgi?id=1951760
- 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-2021-2178?
CVE-2021-2178 is rated as easily exploitable with a low privileged attacker potentially compromising MySQL Server.
How do I fix CVE-2021-2178?
To resolve CVE-2021-2178, upgrade MySQL to version 5.7.33 or 8.0.23 or later.
Which versions of MySQL are affected by CVE-2021-2178?
CVE-2021-2178 affects MySQL versions 5.7.32 and prior, and 8.0.22 and prior.
Can CVE-2021-2178 be exploited remotely?
Yes, CVE-2021-2178 can be exploited remotely due to multiple protocol access.
What components are impacted by CVE-2021-2178 in MySQL?
CVE-2021-2178 specifically impacts the MySQL Server's replication component.
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