CVE-2021-2179: Medium severity mysql vulnerability
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported versions that are affected are 5.7.33 and prior and 8.0.23 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:
https://www.oracle.com/security-alerts/cpuapr2021.html#AppendixMSQL
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported versions that are affected are 5.7.33 and prior and 8.0.23 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-2021-2179?
CVE-2021-2179 is considered a high severity vulnerability due to its potential impact on MySQL server security.
How do I fix CVE-2021-2179?
To fix CVE-2021-2179, upgrade MySQL to version 5.7.34 or later, or version 8.0.24 or later.
What versions of MySQL are affected by CVE-2021-2179?
CVE-2021-2179 affects MySQL versions 5.7.33 and prior, and 8.0.23 and prior.
Who can exploit CVE-2021-2179?
CVE-2021-2179 can be exploited by high privileged attackers with network access via multiple protocols.
What component of MySQL is vulnerable in CVE-2021-2179?
CVE-2021-2179 affects the Group Replication Plugin component of the MySQL Server.