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Vulnerability DatabaseCVE-2021-2213

CVE-2021-2213: 
MySQL vulnerability analysis and mitigation

Overview

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.22 and prior. This vulnerability was disclosed in April 2021 as part of Oracle's Critical Patch Update (Oracle CPU).

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 vulnerability requires high privileges and network access via multiple protocols to exploit. The vulnerability exists in the MySQL Server Optimizer component (Oracle CPU, NetApp 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 (Oracle CPU).

Exploitability

The vulnerability is easily exploitable by an attacker with high privileges and network access via multiple protocols. No user interaction is required for exploitation (Oracle CPU).

Mitigation and workarounds

Oracle released patches for this vulnerability in the April 2021 Critical Patch Update. Users should upgrade to MySQL Server versions after 8.0.22 to address this vulnerability (Oracle CPU).

Additional resources

Source: This report was generated using AI

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