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Vulnerability DatabaseCVE-2022-21351

CVE-2022-21351: 
MySQL vulnerability analysis and mitigation

Overview

A vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) was identified as CVE-2022-21351. The vulnerability affects MySQL Server versions 8.0.27 and prior. This easily exploitable vulnerability allows low-privileged attackers with network access via multiple protocols to compromise MySQL Server (Oracle Advisory, NVD).

Technical details

The vulnerability has been assigned a CVSS 3.1 Base Score of 7.1 (High severity) with the vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H. This indicates that the vulnerability can be exploited over the network, requires low attack complexity, needs low privileges, and no user interaction (Oracle Advisory).

Impact

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. Additionally, it can lead to unauthorized update, insert or delete access to some of MySQL Server accessible data (NVD).

Mitigation and workarounds

Oracle has released security patches to address this vulnerability. Users should upgrade to versions newer than MySQL 8.0.27. The fix was included in Oracle's Critical Patch Update of January 2022 (Oracle Advisory).

Additional resources

Source: This report was generated using AI

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