CVE-2020-14867 : Vulnerability Insights and Analysis

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-2020-14867

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, impacting specific versions.

What is CVE-2020-14867?

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

The Impact of CVE-2020-14867

Successful exploitation can result in unauthorized access to cause a hang or crash of MySQL Server, affecting its availability.

Technical Details of CVE-2020-14867

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Oracle MySQL Server allows attackers to compromise the server, potentially leading to 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

Attack Complexity: High
Attack Vector: Network
Privileges Required: High
User Interaction: None
Availability Impact: High
CVSS 3.1 Base Score: 4.4 (Medium Severity)
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Apply security patches provided by Oracle promptly.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update MySQL Server to the latest version.
Implement network segmentation to limit access to critical servers.

Patching and Updates

Stay informed about security alerts and updates from Oracle.
Regularly check for new patches and apply them to the MySQL Server.