CVE-2021-2437
First published: Tue Jul 20 2021(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.25 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 | <8.0.26 | 8.0.26 |
| MySQL Server | >=8.0.0<=8.0.25 | |
| NetApp OnCommand Insight |
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Reference Links
- https://security.netapp.com/advisory/ntap-20210723-0001/
- https://www.oracle.com/security-alerts/cpujul2021.html
- http://www.oracle.com/security-alerts/cpujul2021.html#AppendixMSQL
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992821
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992822
- https://access.redhat.com/errata/RHSA-2021:3590
- https://access.redhat.com/security/cve/cve-2021-2437
- https://access.redhat.com/errata/RHSA-2021:3811
- https://bugzilla.redhat.com/show_bug.cgi?id=1992323
Frequently Asked Questions
What is the severity of CVE-2021-2437?
CVE-2021-2437 is rated as a high severity vulnerability that allows high privileged attackers with network access to compromise MySQL Server.
How do I fix CVE-2021-2437?
To fix CVE-2021-2437, update your MySQL Server to version 8.0.26 or later.
What versions are affected by CVE-2021-2437?
CVE-2021-2437 affects MySQL Server versions 8.0.25 and prior.
What component is vulnerable in CVE-2021-2437?
CVE-2021-2437 affects the Optimizer component of the MySQL Server product.
Can CVE-2021-2437 be exploited remotely?
Yes, CVE-2021-2437 can be easily exploited by a high privileged attacker with network access via multiple protocols.
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