CVE-2021-2478: Medium severity mysql vulnerability
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.
External References:
http://www.oracle.com/security-alerts/cpuoct2021.html#AppendixMSQL
Other sources
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).
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-2478?
CVE-2021-2478 is considered to be an easily exploitable vulnerability that allows high privileged attackers to compromise MySQL Server.
How do I fix CVE-2021-2478?
To fix CVE-2021-2478, upgrade MySQL Server to version 8.0.27 or later.
Which versions of MySQL are affected by CVE-2021-2478?
MySQL versions 8.0.26 and prior are affected by CVE-2021-2478.
Can CVE-2021-2478 be exploited remotely?
Yes, CVE-2021-2478 can be exploited by an attacker with network access via multiple protocols.
What components of MySQL does CVE-2021-2478 impact?
CVE-2021-2478 impacts the MySQL Server component, specifically the Server: DML functionality.