CVE-2020-14786 Explained : Impact and Mitigation

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

Understanding CVE-2020-14786

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-2020-14786?

The vulnerability in MySQL Server allows a high privileged attacker to exploit the server, potentially causing a DOS attack. The affected versions are 8.0.21 and prior.

The Impact of CVE-2020-14786

Successful exploitation of this vulnerability could result in unauthorized access to cause a hang or crash of the MySQL Server, leading to a complete denial of service.

Technical Details of CVE-2020-14786

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 DOS attack.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Availability Impact: High
CVSS 3.1 Base Score: 4.9 (Medium Severity)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Mitigation and Prevention

Protecting systems from this vulnerability is crucial to prevent potential attacks.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor Oracle's security alerts for updates and advisories.

Long-Term Security Practices

Regularly update and patch MySQL Server to mitigate known vulnerabilities.
Implement network security measures to restrict unauthorized access.

Patching and Updates

Stay informed about security updates and patches released by Oracle for MySQL Server.