CVE-2020-14791 Explained : Impact and Mitigation

A vulnerability in Oracle MySQL Server (component: InnoDB) allows a high privileged attacker to compromise the server, potentially leading to a partial denial of service.

Understanding CVE-2020-14791

This CVE involves a vulnerability in MySQL Server that could be exploited by an attacker with network access to compromise the server.

What is CVE-2020-14791?

The vulnerability in Oracle MySQL Server (component: InnoDB) affects versions 8.0.21 and prior. It allows a high privileged attacker with network access via multiple protocols to compromise the server.

The Impact of CVE-2020-14791

Successful exploitation of this vulnerability can result in an unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. The CVSS 3.1 Base Score is 2.2, indicating low severity with availability impacts.

Technical Details of CVE-2020-14791

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows a high privileged attacker with network access to compromise the server, potentially leading to a partial denial of service.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Affected Versions: 8.0.21 and prior

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: High
User Interaction: None
Scope: Unchanged
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Low

Mitigation and Prevention

To address CVE-2020-14791, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor patches promptly
Monitor Oracle's security alerts for updates

Long-Term Security Practices

Implement network security measures
Regularly update and patch MySQL Server

Patching and Updates

Regularly check for security updates and patches from Oracle to protect against this vulnerability.