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Vulnerability DatabaseCVE-2023-21977
CVE-2023-21977:
MySQL vulnerability analysis and mitigation
Overview
CVE-2023-21977 is a vulnerability in Oracle MySQL Server's Optimizer component affecting versions 8.0.32 and prior. The vulnerability was disclosed in Oracle's April 2023 Critical Patch Update (Oracle CPU, NetApp Advisory).
Technical details
The vulnerability has a CVSS 3.1 Base Score of 4.9 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. It requires a high-privileged attacker with network access via multiple protocols to exploit (Oracle CPU).
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).
Mitigation and workarounds
Oracle has released patches for this vulnerability in MySQL versions after 8.0.32. Users are strongly recommended to update to the latest version to mitigate this vulnerability (Oracle CPU, NetApp Advisory).
Additional resources
Source: This report was generated using AI
Related MySQL vulnerabilities:
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