CVE-2021-35636
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-2021-35636
- https://bugzilla.redhat.com/show_bug.cgi?id=2016124
Frequently Asked Questions
What is the severity of CVE-2021-35636?
CVE-2021-35636 has a high severity rating due to its potential for easy exploitation by a high privileged attacker.
How do I fix CVE-2021-35636?
To fix CVE-2021-35636, you should upgrade your MySQL Server to version 8.0.27 or later.
Who is affected by CVE-2021-35636?
CVE-2021-35636 affects users running MySQL Server version 8.0.26 and earlier.
What component is impacted by CVE-2021-35636?
CVE-2021-35636 impacts the Optimizer component of the MySQL Server product.
Can CVE-2021-35636 be exploited remotely?
Yes, CVE-2021-35636 can be easily exploited by an attacker with network access.
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