CVE-2021-2479
First published: Wed Oct 20 2021(Updated: )
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML). 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 |
| MySQL | >=8.0<=8.0.26 | |
| NetApp OnCommand Insight | ||
| netapp snapcenter | ||
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 |
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Reference Links
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5MLAXYFLUDC636S46X34USCLDZAOFBM2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PRCU3RTIPVKPC3GMC76YW7DJEXUEY6FG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XF3ZFPL3JJ26YRUGXLXQZYJBLZV3WC2C/
- 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-2021-2479
- https://bugzilla.redhat.com/show_bug.cgi?id=2016090
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5MLAXYFLUDC636S46X34USCLDZAOFBM2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XF3ZFPL3JJ26YRUGXLXQZYJBLZV3WC2C/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRCU3RTIPVKPC3GMC76YW7DJEXUEY6FG/
Frequently Asked Questions
What is the severity of CVE-2021-2479?
CVE-2021-2479 is categorized as a high-severity vulnerability due to its potential for abuse by attackers with network access.
How do I fix CVE-2021-2479?
To remediate CVE-2021-2479, upgrade your MySQL Server to version 8.0.27 or later.
Which MySQL Server versions are affected by CVE-2021-2479?
CVE-2021-2479 affects MySQL Server versions 8.0.26 and earlier.
What type of attack can CVE-2021-2479 enable?
CVE-2021-2479 allows high privileged attackers to compromise the MySQL Server through easily exploitable methods.
Is CVE-2021-2479 specific to any operating system?
CVE-2021-2479 is related to MySQL Server and affects several operating systems, including Fedora and Red Hat.
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