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Vulnerability DatabaseCVE-2020-2898

CVE-2020-2898: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2020-2898 is a vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Charsets) affecting version 8.0.19. This vulnerability was disclosed in April 2020 and is easily exploitable by high privileged attackers with network access via multiple protocols (CVE).

Technical details

The vulnerability has 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 attack requires network access, has low attack complexity, requires high privileges, needs no user interaction, has unchanged scope, and impacts only availability (NVD).

Impact

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

Mitigation and workarounds

The vulnerability was fixed in MySQL version 8.0.20. Users should upgrade to this version or later. Ubuntu users can update to mysql-server-8.0 version 8.0.20-0ubuntu0.20.04.1 for Ubuntu 20.04 and version 8.0.20-0ubuntu0.19.10.1 for Ubuntu 19.10 (Ubuntu).

Additional resources

Source: This report was generated using AI

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