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Vulnerability DatabaseCVE-2020-2928

CVE-2020-2928: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2020-2928 is a vulnerability in the MySQL Server product of Oracle MySQL, specifically affecting the Server: Optimizer component. The vulnerability affects MySQL versions 8.0.19 and prior (Ubuntu Security, Oracle CPU).

Technical details

This vulnerability has been assigned a CVSS 3.0 Base Score of 4.9 (Medium), with the following vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. The vulnerability is easily exploitable by an attacker with high privileges and network access via multiple protocols (Oracle CPU).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server (Ubuntu Security).

Mitigation and workarounds

The vulnerability has been fixed in MySQL version 8.0.20. Users should upgrade to this version or later to address the vulnerability. Ubuntu has released fixes in version 8.0.20-0ubuntu1 for various distributions including 20.04 LTS focal (Ubuntu Security).

Additional resources

Source: This report was generated using AI

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