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Vulnerability DatabaseCVE-2020-2897

CVE-2020-2897: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2020-2897 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. This vulnerability was discovered in December 2019 and publicly disclosed in April 2020 (CVE Mitre).

Technical details

The vulnerability has a CVSS 3.0 Base Score of 4.9 (Medium severity) with the following vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. This indicates it is a network-accessible vulnerability requiring high privileges, with no user interaction needed, and impacts only availability (Ubuntu).

Impact

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

Mitigation and workarounds

The vulnerability has been fixed in MySQL version 8.0.20. Users should upgrade to this version or later to mitigate the vulnerability. Ubuntu has released fixes in version 8.0.20-0ubuntu0.20.04.1 for Ubuntu 20.04 LTS and 8.0.20-0ubuntu0.19.10.1 for Ubuntu 19.10 (Ubuntu Security Notice).

Additional resources

Source: This report was generated using AI

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