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Vulnerability DatabaseCVE-2020-2779

CVE-2020-2779: 
MySQL vulnerability analysis and mitigation

Overview

CVE-2020-2779 is a security vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges) affecting versions 8.0.18 and prior. This vulnerability was discovered and disclosed in December 2019 (CVE Details).

Technical details

The vulnerability is characterized by a CVSS 3.0 Base Score of 4.9 (Availability impacts) with a vector of CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. The vulnerability is easily exploitable but requires high privileges and network access via multiple protocols to compromise MySQL Server (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. The vulnerability only affects availability, with no impact on confidentiality or integrity (Oracle Security).

Mitigation and workarounds

Oracle has released patches for this vulnerability in MySQL versions after 8.0.18. Users are advised to upgrade to the latest version of MySQL Server. For systems that cannot be immediately upgraded, limiting network access to trusted users and monitoring for suspicious activities is recommended (Oracle Security).

Additional resources

Source: This report was generated using AI

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