CVE-2021-35642
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-2021-35642
- https://bugzilla.redhat.com/show_bug.cgi?id=2016131
Frequently Asked Questions
What is the severity of CVE-2021-35642?
CVE-2021-35642 is considered a high severity vulnerability that allows an attacker with high privileges to compromise MySQL Server.
How do I fix CVE-2021-35642?
To fix CVE-2021-35642, upgrade MySQL Server to version 8.0.27 or later.
Who is affected by CVE-2021-35642?
Versions of MySQL Server 8.0.26 and earlier are affected by CVE-2021-35642.
What are the potential consequences of exploiting CVE-2021-35642?
Exploiting CVE-2021-35642 could allow an attacker to fully compromise the MySQL Server.
Is CVE-2021-35642 easily exploitable?
Yes, CVE-2021-35642 is considered easily exploitable by a high privileged attacker with network access.
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