CVE-2020-2806 Explained : Impact and Mitigation

A vulnerability in Oracle MySQL Server (version 5.7.28 and prior) can be exploited by a low privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack.

Understanding CVE-2020-2806

This CVE involves a vulnerability in the MySQL Server product of Oracle MySQL, impacting versions 5.7.28 and earlier.

What is CVE-2020-2806?

The vulnerability allows a low privileged attacker with network access to compromise MySQL Server, potentially causing a DOS attack. The CVSS 3.0 Base Score is 5.3, indicating a medium severity issue with high availability impact.

The Impact of CVE-2020-2806

Successful exploitation of this vulnerability can result in unauthorized access, leading to server hang or frequent crashes, affecting the availability of MySQL Server.

Technical Details of CVE-2020-2806

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Oracle MySQL Server (5.7.28 and prior) allows attackers with network access to compromise the server, potentially causing a DOS attack.

Affected Systems and Versions

Product: MySQL Server
Vendor: Oracle Corporation
Affected Versions: 5.7.28 and prior

Exploitation Mechanism

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

Mitigation and Prevention

Protecting systems from CVE-2020-2806 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches and updates promptly
Monitor network traffic for any suspicious activities
Restrict network access to vulnerable servers

Long-Term Security Practices

Regularly update and patch all software and systems
Implement network segmentation to limit the attack surface
Conduct regular security audits and assessments

Patching and Updates

Oracle provides security updates for MySQL Server, ensure timely installation of patches to mitigate the vulnerability.