CVE-2020-14765 : What You Need to Know

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

Understanding CVE-2020-14765

This CVE involves a vulnerability in MySQL Server that could be exploited by attackers with network access, potentially causing a DOS attack.

What is CVE-2020-14765?

The vulnerability in MySQL Server allows low-privileged attackers to compromise the server, leading to a DOS attack. The affected versions include 5.6.49 and prior, 5.7.31 and prior, and 8.0.21 and prior.

The Impact of CVE-2020-14765

Successful exploitation of this vulnerability can result in unauthorized access, causing the server to hang or crash, leading to a complete DOS situation. The CVSS 3.1 Base Score is 6.5, with a high availability impact.

Technical Details of CVE-2020-14765

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows attackers with network access to compromise the server, potentially causing a DOS attack.

Affected Systems and Versions

MySQL Server 5.6.49 and prior
MySQL Server 5.7.31 and prior
MySQL Server 8.0.21 and prior

Exploitation Mechanism

Attackers with low privileges and network access can exploit this vulnerability to compromise the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2020-14765 is crucial to prevent potential attacks.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor network traffic for any suspicious activities.
Restrict network access to the MySQL Server.

Long-Term Security Practices

Regularly update and patch MySQL Server to address security vulnerabilities.
Implement network segmentation to limit access to critical servers.
Conduct regular security audits and penetration testing.

Patching and Updates

Ensure that you regularly check for security updates and patches released by Oracle for MySQL Server.