Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-2164
CVE-2021-2164:
MySQL vulnerability analysis and mitigation
Overview
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer) affecting versions 8.0.23 and prior. This vulnerability was disclosed on April 22, 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 (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 (Oracle CPU, NVD).
Exploitability
The vulnerability is considered easily exploitable by an attacker with high privileges and network access via multiple protocols. No known exploits specifically targeting this vulnerability have been reported in the wild (NVD).
Mitigation and workarounds
Oracle released patches to address this vulnerability in MySQL version 8.0.24. Fedora also released fixes in community-mysql-8.0.24 for versions 32, 33, and 34 (Fedora Updates).
Additional resources
Source: This report was generated using AI
Related MySQL vulnerabilities:
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