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Vulnerability DatabaseCVE-2022-21638
CVE-2022-21638:
MySQL vulnerability analysis and mitigation
Overview
CVE-2022-21638 is a security vulnerability affecting MySQL Server versions 8.0.29 and prior, specifically in the Server: Optimizer component. This vulnerability was disclosed as part of Oracle's Critical Patch Update in October 2022 (Oracle CPU).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 4.9 (MEDIUM), 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 a high-privileged attacker with network access to exploit (NetApp Advisory).
Impact
Successful exploitation of this vulnerability could allow a high-privileged attacker to cause a denial of service condition, potentially resulting in a hang or frequently repeatable crash of the MySQL Server (NetApp Advisory).
Mitigation and workarounds
Oracle has released patches for this vulnerability in MySQL version 8.0.30. Users are strongly recommended to update to this version or later to address the vulnerability. For systems that cannot be immediately updated, limiting network access and restricting high-privilege account access can help reduce the risk (Oracle CPU).
Additional resources
Source: This report was generated using AI
Related MySQL vulnerabilities:
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