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Vulnerability DatabaseCVE-2021-2061

CVE-2021-2061: 
MySQL vulnerability analysis and mitigation

Overview

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL) affects versions 8.0.22 and prior. This vulnerability was disclosed on January 20, 2021. The vulnerability allows high privileged attackers with network access via multiple protocols to compromise MySQL Server (Oracle Advisory).

Technical details

The vulnerability has a CVSS 3.1 Base Score of 4.4 (Medium severity) with the following vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H. This indicates that the vulnerability requires network access, has high attack complexity, requires high privileges, needs no user interaction, has unchanged scope, and only impacts 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 Advisory).

Exploitability

The vulnerability is described as difficult to exploit and requires a high privileged attacker with network access via multiple protocols (Oracle Advisory).

Mitigation and workarounds

Oracle released patches for this vulnerability in MySQL version 8.0.23. Users are strongly recommended to upgrade to this version or later to address the vulnerability (Gentoo Advisory).

Additional resources

Source: This report was generated using AI

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