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Vulnerability DatabaseCVE-2021-35637

CVE-2021-35637: 
MySQL vulnerability analysis and mitigation

Overview

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PS) affects versions 8.0.26 and prior. This easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. The vulnerability was disclosed on October 20, 2021 (NVD, Oracle Advisory).

Technical details

The vulnerability has a CVSS v3.1 Base Score of 4.9 (Medium) with vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. The attack requires high privileges and network access, with no user interaction needed. The vulnerability affects the Server: PS component of MySQL (NVD, 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. The vulnerability only affects availability with no impact on confidentiality or integrity (Oracle Advisory).

Mitigation and workarounds

Oracle released patches for affected versions in the October 2021 Critical Patch Update. Users should upgrade to the latest version of MySQL Server. For systems that cannot be immediately patched, network access restrictions and privilege limitations may help reduce the risk (Oracle Advisory).

Additional resources

Source: This report was generated using AI

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