CVE-2021-35645
First published: Wed Oct 20 2021(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 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 | <8.0.27 | 8.0.27 |
| Oracle MySQL | >=8.0.0<=8.0.26 | |
| NetApp OnCommand Insight | ||
| NetApp SnapCenter |
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Reference Links
- https://security.netapp.com/advisory/ntap-20211022-0003/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- http://www.oracle.com/security-alerts/cpuoct2021.html#AppendixMSQL
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2016141
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2016142
- https://access.redhat.com/errata/RHSA-2022:6518
- https://access.redhat.com/errata/RHSA-2022:7119
- https://access.redhat.com/security/cve/cve-2021-35645
- https://bugzilla.redhat.com/show_bug.cgi?id=2016134
Frequently Asked Questions
What is the severity of CVE-2021-35645?
CVE-2021-35645 is categorized as a high severity vulnerability that can be easily exploited by a high privileged attacker.
How do I fix CVE-2021-35645?
To remediate CVE-2021-35645, upgrade MySQL Server to version 8.0.27 or later.
Who is affected by CVE-2021-35645?
MySQL Server versions 8.0.26 and prior are affected by CVE-2021-35645.
What component is vulnerable in CVE-2021-35645?
CVE-2021-35645 affects the Optimizer component of the MySQL Server product.
What can an attacker do by exploiting CVE-2021-35645?
An attacker exploiting CVE-2021-35645 can compromise the MySQL Server with network access via multiple protocols.
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