CVE-2021-35643
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-2021-35643
- https://bugzilla.redhat.com/show_bug.cgi?id=2016132
Frequently Asked Questions
What is the severity of CVE-2021-35643?
CVE-2021-35643 has a medium severity rating, indicating it could be exploited by a high-privileged attacker.
How do I fix CVE-2021-35643?
To fix CVE-2021-35643, upgrade your MySQL Server to version 8.0.27 or later.
Who is affected by CVE-2021-35643?
CVE-2021-35643 affects Oracle MySQL versions 8.0.26 and prior, including related products like NetApp's OnCommand Insight and SnapCenter.
What types of attacks can be executed using CVE-2021-35643?
CVE-2021-35643 can be exploited by attackers with network access to potentially compromise MySQL Server through multiple protocols.
What components are impacted by CVE-2021-35643?
CVE-2021-35643 specifically affects the Server: Optimizer component of the MySQL Server product.
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