Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-2921
CVE-2020-2921:
MySQL vulnerability analysis and mitigation
Overview
CVE-2020-2921 is a vulnerability discovered in the MySQL Server product of Oracle MySQL, specifically affecting the Server: Group Replication Plugin component. The vulnerability affects MySQL versions 8.0.19 and prior (NVD, Oracle CPU).
Technical details
The vulnerability has been assigned a CVSS v3.0 base score of 4.4 (MEDIUM) with the vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H. This indicates that the vulnerability requires network access, high attack complexity, and high privileges to exploit, with potential impact primarily on system availability (NetApp Advisory).
Impact
Successful exploitation of this vulnerability could result in a denial of service (DoS) condition affecting the MySQL Server's Group Replication Plugin functionality. The vulnerability could potentially cause the MySQL Server to hang or experience frequently repeatable crashes (NetApp Advisory).
Mitigation and workarounds
Oracle has released patches to address this vulnerability in MySQL version 8.0.20. Users are strongly recommended to upgrade to this or later versions to protect against this vulnerability (Oracle CPU).
Additional resources
Source: This report was generated using AI
Related MySQL vulnerabilities:
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