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Vulnerability DatabaseCVE-2021-2299

CVE-2021-2299: 
MySQL vulnerability analysis and mitigation

Overview

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) affects versions 8.0.23 and prior. This easily exploitable vulnerability allows high privileged attackers with network access via multiple protocols to compromise MySQL Server. The vulnerability was disclosed on April 22, 2021 (Oracle Advisory).

Technical details

The vulnerability has a CVSS 3.1 Base Score of 4.9 (Medium severity) with the following vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. The attack requires network access and high privileges but is considered low complexity and requires no user interaction (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. The vulnerability affects availability while confidentiality and integrity remain uncompromised (Oracle Advisory).

Mitigation and workarounds

Oracle has released patches to address this vulnerability in MySQL version 8.0.25. Ubuntu systems have been updated with MySQL 8.0.25-0ubuntu3 across various distributions. Users are strongly advised to upgrade to the patched versions (Ubuntu Security).

Additional resources

Source: This report was generated using AI

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Published date

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