CVE-2020-2765 : What You Need to Know

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-2020-2765

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, affecting versions 5.7.29 and prior, as well as 8.0.19 and prior.

What is CVE-2020-2765?

The vulnerability in the MySQL Server product of Oracle MySQL allows a high privileged attacker with network access to compromise the server. Successful exploitation can lead to a DOS attack by causing the server to hang or crash.

The Impact of CVE-2020-2765

Successful attacks exploiting this vulnerability can result in unauthorized access and the ability to disrupt the availability of the MySQL Server. The CVSS 3.0 Base Score for this vulnerability is 4.9, indicating a medium severity level with high availability impact.

Technical Details of CVE-2020-2765

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows a high privileged attacker with network access to compromise the MySQL Server, potentially leading to a DOS attack.

Affected Systems and Versions

Affected versions include MySQL Server 5.7.29 and earlier, as well as 8.0.19 and earlier.

Exploitation Mechanism

The vulnerability can be exploited by a high privileged attacker with network access via multiple protocols to compromise the MySQL Server.

Mitigation and Prevention

Protecting systems from CVE-2020-2765 is crucial to maintaining security.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch MySQL Server to address known vulnerabilities.
Implement network segmentation to limit the exposure of critical servers.

Patching and Updates

Stay informed about security updates and patches released by Oracle for MySQL Server.
Regularly check for and apply the latest security updates to mitigate the risk of exploitation.